© Copyright 2025 American Medical Association. All rights reserved.
A therapeutic, prophylactic, or diagnostic injection refers to the administration of a specific substance or drug via subcutaneous or intramuscular routes. This procedure is essential in various medical contexts, as it allows for the delivery of medications directly into the body, facilitating immediate therapeutic effects. A subcutaneous injection involves placing the medication just beneath the skin into the fatty tissue, which is typically located in areas such as the abdomen, upper arm, upper leg, or buttocks. The process begins with cleansing the skin to minimize the risk of infection. A fold of skin is then pinched to create a stable surface for the injection, and the needle is inserted at an angle ranging from 45 to 90 degrees, depending on the specific technique and site. In contrast, an intramuscular injection is administered deeper into the muscle tissue, which allows for a more rapid systemic absorption of the medication. This method is particularly useful for delivering larger doses of medication that require quick action. Common sites for intramuscular injections include the gluteal muscles of the buttocks, the vastus lateralis muscle of the thigh, and the deltoid muscle of the upper arm, with the needle inserted at a 90-degree angle to ensure proper placement. Both methods are critical in clinical practice for the effective management of various health conditions, enabling healthcare providers to deliver necessary treatments efficiently and safely.
© Copyright 2025 Coding Ahead. All rights reserved.
The therapeutic, prophylactic, or diagnostic injection is performed for various indications, which may include the following:
The procedure for administering a therapeutic, prophylactic, or diagnostic injection involves several key steps, which are detailed as follows:
After the injection, the patient is typically monitored for any immediate adverse reactions or side effects. The injection site may be observed for signs of swelling, redness, or infection. Patients are often advised to avoid strenuous activity at the injection site for a short period and to apply a bandage if necessary. Additionally, they may receive instructions on how to care for the injection site and when to seek medical attention if they experience unusual symptoms.
| Short Descr | THER/PROPH/DIAG INJ SC/IM | Medium Descr | THERAPEUTIC PROPHYLACTIC/DX INJECTION SUBQ/IM | Long Descr | Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); subcutaneous or intramuscular | Status Code | Active Code | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 5 - Incident To Code | Multiple Procedures (51) | 0 - No payment adjustment rules for multiple procedures apply. | Bilateral Surgery (50) | 0 - 150% payment adjustment for bilateral procedures does NOT apply. | Physician Supervisions | 09 - Concept does not apply. | Assistant Surgeon (80, 82) | 0 - Payment restriction for assistants at surgery applies to this procedure... | Co-Surgeons (62) | 0 - Co-surgeons not permitted for this procedure. | Team Surgery (66) | 0 - Team surgeons not permitted for this procedure. | Diagnostic Imaging Family | 99 - Concept Does Not Apply | APC Status Indicator | STV-Packaged Codes | Berenson-Eggers TOS (BETOS) | P6C - Minor procedures - other (Medicare fee schedule) | MUE | 4 | CCS Clinical Classification | 231 - Other therapeutic procedures |
| 59 | Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25. | 76 | Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service. | XS | Separate structure, a service that is distinct because it was performed on a separate organ/structure | XU | Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service | GA | Waiver of liability statement issued as required by payer policy, individual case | KX | Requirements specified in the medical policy have been met | RT | Right side (used to identify procedures performed on the right side of the body) | LT | Left side (used to identify procedures performed on the left side of the body) | XE | Separate encounter, a service that is distinct because it occurred during a separate encounter | JZ | Zero drug amount discarded/not administered to any patient | Q6 | Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area | X2 | Continuous/focused services: for reporting services by clinicians whose expertise is needed for the ongoing management of a chronic disease or a condition that needs to be managed and followed with no planned endpoint to the relationship; reporting clinician service examples include but are not limited to: a rheumatologist taking care of the patient's rheumatoid arthritis longitudinally but not providing general primary care services | CR | Catastrophe/disaster related | Q1 | Routine clinical service provided in a clinical research study that is in an approved clinical research study | GW | Service not related to the hospice patient's terminal condition | 25 | Significant, separately identifiable evaluation and management service by the same physician or other qualified health care professional on the same day of the procedure or other service: it may be necessary to indicate that on the day a procedure or service identified by a cpt code was performed, the patient's condition required a significant, separately identifiable e/m service above and beyond the other service provided or beyond the usual preoperative and postoperative care associated with the procedure that was performed. a significant, separately identifiable e/m service is defined or substantiated by documentation that satisfies the relevant criteria for the respective e/m service to be reported (see evaluation and management services guidelines for instructions on determining level of e/m service). the e/m service may be prompted by the symptom or condition for which the procedure and/or service was provided. as such, different diagnoses are not required for reporting of the e/m services on the same date. this circumstance may be reported by adding modifier 25 to the appropriate level of e/m service. note: this modifier is not used to report an e/m service that resulted in a decision to perform surgery. see modifier 57 for significant, separately identifiable non-e/m services, see modifier 59. | AQ | Physician providing a service in an unlisted health professional shortage area (hpsa) | X1 | Continuous/broad services: for reporting services by clinicians, who provide the principal care for a patient, with no planned endpoint of the relationship; services in this category represent comprehensive care, dealing with the entire scope of patient problems, either directly or in a care coordination role; reporting clinician service examples include, but are not limited to: primary care, and clinicians providing comprehensive care to patients in addition to specialty care | GY | Item or service statutorily excluded, does not meet the definition of any medicare benefit or, for non-medicare insurers, is not a contract benefit | GV | Attending physician not employed or paid under arrangement by the patient's hospice provider | SA | Nurse practitioner rendering service in collaboration with a physician | GZ | Item or service expected to be denied as not reasonable and necessary | AJ | Clinical social worker | GC | This service has been performed in part by a resident under the direction of a teaching physician | TD | Rn | CG | Policy criteria applied | FP | Service provided as part of family planning program | U3 | Medicaid level of care 3, as defined by each state | U6 | Medicaid level of care 6, as defined by each state | 79 | Unrelated procedure or service by the same physician or other qualified health care professional during the postoperative period: the individual may need to indicate that the performance of a procedure or service during the postoperative period was unrelated to the original procedure. this circumstance may be reported by using modifier 79. (for repeat procedures on the same day, see modifier 76.) | HN | Bachelors degree level | 51 | Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d). | 58 | Staged or related procedure or service by the same physician or other qualified health care professional during the postoperative period: it may be necessary to indicate that the performance of a procedure or service during the postoperative period was: (a) planned or anticipated (staged); (b) more extensive than the original procedure; or (c) for therapy following a surgical procedure. this circumstance may be reported by adding modifier 58 to the staged or related procedure. note: for treatment of a problem that requires a return to the operating/procedure room (eg, unanticipated clinical condition), see modifier 78. | AF | Specialty physician | PD | Diagnostic or related non diagnostic item or service provided in a wholly owned or operated entity to a patient who is admitted as an inpatient within 3 days | Q5 | Service furnished under a reciprocal billing arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area | UD | Medicaid level of care 13, as defined by each state | XP | Separate practitioner, a service that is distinct because it was performed by a different practitioner | 24 | Unrelated evaluation and management service by the same physician or other qualified health care professional during a postoperative period: the physician or other qualified health care professional may need to indicate that an evaluation and management service was performed during a postoperative period for a reason(s) unrelated to the original procedure. this circumstance may be reported by adding modifier 24 to the appropriate level of e/m service. | 26 | Professional component: certain procedures are a combination of a physician or other qualified health care professional component and a technical component. when the physician or other qualified health care professional component is reported separately, the service may be identified by adding modifier 26 to the usual procedure number. | 32 | Mandated services: services related to mandated consultation and/or related services (eg, third party payer, governmental, legislative or regulatory requirement) may be identified by adding modifier 32 to the basic procedure. | 50 | Bilateral procedure: unless otherwise identified in the listings, bilateral procedures that are performed at the same session, should be identified by adding modifier 50 to the appropriate 5 digit code. note: this modifier should not be appended to designated "add-on" codes (see appendix d). | 52 | Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use). | 56 | Preoperative management only: when 1 physician or other qualified health care professional performed the preoperative care and evaluation and another performed the surgical procedure, the preoperative component may be identified by adding modifier 56 to the usual procedure number. | 57 | Decision for surgery: an evaluation and management service that resulted in the initial decision to perform the surgery may be identified by adding modifier 57 to the appropriate level of e/m service. | 77 | Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service. | 78 | Unplanned return to the operating/procedure room by the same physician or other qualified health care professional following initial procedure for a related procedure during the postoperative period: it may be necessary to indicate that another procedure was performed during the postoperative period of the initial procedure (unplanned procedure following initial procedure). when this procedure is related to the first, and requires the use of an operating/procedure room, it may be reported by adding modifier 78 to the related procedure. (for repeat procedures, see modifier 76.) | 93 | Synchronous telemedicine service rendered via telephone or other real-time interactive audio-only telecommunications system : synchronous telemedicine service is defined as a real-time interaction between a physician or other qualified health care professional and a patient who is located away at a distant site from the physician or other qualified health care professional. the totality of the communication of information exchanged between the physician or other qualified health care professional and the patient during the course of the synchronous telemedicine service must be of an amount and nature that is sufficient to meet the key components and/or requirements of the same service when rendered via a face-to-face interaction. | 95 | Synchronous telemedicine service rendered via a real-time interactive audio and video telecommunications system: synchronous telemedicine service is defined as a real-time interaction between a physician or other qualified health care professional and a patient who is located at a distant site from the physician or other qualified health care professional. the totality of the communication of information exchanged between the physician or other qualified health care professional and the patient during the course of the synchronous telemedicine service must be of an amount and nature that would be sufficient to meet the key components and/or requirements of the same service when rendered via a face-to-face interaction. modifier 95 may only be appended to the services listed in appendix p. appendix p is the list of cpt codes for services that are typically performed face-to-face, but may be rendered via a real-time (synchronous) interactive audio and video telecommunications system. | 96 | Habilitative services: when a service or procedure that may be either habilitative or rehabilitative in nature is provided for habilitative purposes, the physician or other qualified health care professional may add modifier 96 to the service or procedure code to indicate that the service or procedure provided was a habilitative service. habilitative services help an individual learn skills and functioning for daily living that the individual has not yet developed, and then keep and/or improve those learned skills. habilitative services also help an individual keep, learn, or improve skills and functioning for daily living. | 99 | Multiple modifiers: under certain circumstances 2 or more modifiers may be necessary to completely delineate a service. in such situations modifier 99 should be added to the basic procedure, and other applicable modifiers may be listed as part of the description of the service. | AG | Primary physician | AH | Clinical psychologist | AM | Physician, team member service | AP | Determination of refractive state was not performed in the course of diagnostic ophthalmological examination | AT | Acute treatment (this modifier should be used when reporting service 98940, 98941, 98942) | CC | Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed) | CS | Cost-sharing waived for specified covid-19 testing-related services that result in and order for or administration of a covid-19 test and/or used for cost-sharing waived preventive services furnished via telehealth in rural health clinics and federally qualified health centers during the covid-19 public health emergency | E1 | Upper left, eyelid | E2 | Lower left, eyelid | E3 | Upper right, eyelid | E4 | Lower right, eyelid | EC | Erythropoetic stimulating agent (esa) administered to treat anemia not due to anti-cancer radiotherapy or anti-cancer chemotherapy | ED | Hematocrit level has exceeded 39% (or hemoglobin level has exceeded 13.0 g/dl) for 3 or more consecutive billing cycles immediately prior to and including the current cycle | ER | Items and services furnished by a provider-based, off-campus emergency department | F2 | Left hand, third digit | F3 | Left hand, fourth digit | F5 | Right hand, thumb | F6 | Right hand, second digit | F7 | Right hand, third digit | F8 | Right hand, fourth digit | FA | Left hand, thumb | FQ | The service was furnished using audio-only communication technology | FR | The supervising practitioner was present through two-way, audio/video communication technology | FS | Split (or shared) evaluation and management visit | G6 | Esrd patient for whom less than six dialysis sessions have been provided in a month | GE | This service has been performed by a resident without the presence of a teaching physician under the primary care exception | GF | Non-physician (e.g. nurse practitioner (np), certified registered nurse anesthetist (crna), certified registered nurse (crn), clinical nurse specialist (cns), physician assistant (pa)) services in a critical access hospital | GJ | "opt out" physician or practitioner emergency or urgent service | GT | Via interactive audio and video telecommunication systems | GX | Notice of liability issued, voluntary under payer policy | HA | Child/adolescent program | HB | Adult program, non geriatric | HF | Substance abuse program | HM | Less than bachelor degree level | HO | Masters degree level | HW | Funded by state mental health agency | JA | Administered intravenously | JB | Administered subcutaneously | JG | Drug or biological acquired with 340b drug pricing program discount, reported for informational purposes | JW | Drug amount discarded/not administered to any patient | KC | Replacement of special power wheelchair interface | KV | Dmepos item subject to dmepos competitive bidding program that is furnished as part of a professional service | KY | Dmepos item subject to dmepos competitive bidding program number 5 | NU | New equipment | PN | Non-excepted service provided at an off-campus, outpatient, provider-based department of a hospital | PO | Excepted service provided at an off-campus, outpatient, provider-based department of a hospital | Q0 | Investigational clinical service provided in a clinical research study that is in an approved clinical research study | Q2 | Demonstration procedure/service | QJ | Services/items provided to a prisoner or patient in state or local custody, however the state or local government, as applicable, meets the requirements in 42 cfr 411.4 (b) | QW | Clia waived test | SB | Nurse midwife | SC | Medically necessary service or supply | SG | Ambulatory surgical center (asc) facility service | SK | Member of high risk population (use only with codes for immunization) | SL | State supplied vaccine | T5 | Right foot, great toe | T6 | Right foot, second digit | TA | Left foot, great toe | TB | Drug or biological acquired with 340b drug pricing program discount, reported for informational purposes | TE | Lpn/lvn | TH | Obstetrical treatment/services, prenatal or postpartum | TR | School-based individualized education program (iep) services provided outside the public school district responsible for the student | TT | Individualized service provided to more than one patient in same setting | TU | Special payment rate, overtime | U1 | Medicaid level of care 1, as defined by each state | U2 | Medicaid level of care 2, as defined by each state | U4 | Medicaid level of care 4, as defined by each state | U7 | Medicaid level of care 7, as defined by each state | U8 | Medicaid level of care 8, as defined by each state | UA | Medicaid level of care 10, as defined by each state | UC | Medicaid level of care 12, as defined by each state | UH | Services provided in the evening | X3 | Episodic/broad services: for reporting services by clinicians who have broad responsibility for the comprehensive needs of the patient that is limited to a defined period and circumstance such as a hospitalization; reporting clinician service examples include but are not limited to the hospitalist's services rendered providing comprehensive and general care to a patient while admitted to the hospital | X4 | Episodic/focused services: for reporting services by clinicians who provide focused care on particular types of treatment limited to a defined period and circumstance; the patient has a problem, acute or chronic, that will be treated with surgery, radiation, or some other type of generally time-limited intervention; reporting clinician service examples include but are not limited to, the orthopedic surgeon performing a knee replacement and seeing the patient through the postoperative period | X5 | Diagnostic services requested by another clinician: for reporting services by a clinician who furnishes care to the patient only as requested by another clinician or subsequent and related services requested by another clinician; this modifier is reported for patient relationships that may not be adequately captured by the above alternative categories; reporting clinician service examples include but are not limited to, the radiologist's interpretation of an imaging study requested by another clinician |
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Date
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Action
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Notes
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| 2025-01-01 | Note | First appearance of 2023 revised guideline in codebook |
| 2024-01-01 | Note | First appearance of 2022 guideline updates in codebook. |
| 2023-11-01 | Note | AMA Guideline changed. 90480 received FDA approval. |
| 2023-11-01 | Note | Revised guideline changed by deleting codes 0001A, 0002A, 0003A, 0004A, 0011A, 0012A, 0013A, 0021A, 0022A, 0031A, 0034A, 0041A, 0042A, 0044A, 0051A, 0052A, 0053A, 0054A, 0064A, 0071A, 0072A, 0073A, 0074A, 0081A, 0082A, 0083A, 0091A, 0092A, 0093A, 0094A, 0104A, 0111A, 0112A, 0113A, 0121A, 0124A, 0134A, 0141A, 0142A, 0144A, 0151A, 0154A, 0164A, 0171A, 0172A, 0173A, 0174A from the guidline. |
| 2023-10-24 | Note | AMA guideline changed to include 90480 effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2023-10-24 | Note | NOTE: AMA revised guideline changed to include 90473, 90474. FDA approval received prior to being added to this guideline. |
| 2023-04-18 | Note | These codes (included in the guidelines) are no longer authorized for use in the United States: 0001A, 0002A, 0003A, 0004A, 0011A, 0012A, 0013A, 0051A, 0052A, 0053A, 0054A, 0064A, 0071A, 0072A, 0073A, 0074A, 0081A, 0082A, 0083A, 0091A, 0092A, 0093A, 0094A, 0111A, 0112A, 0113A. |
| 2023-04-18 | Note | AMA guidelines changed to include 0121A, 0141A, 0142A, 0151A, 0171A, 0172A. Published to website 2023-05-01. Received FDA approval effective retroactively to 2023-04-18. |
| 2023-03-14 | Note | AMA guideline changed to include 0174A. Published to website 2023-03-17. Received FDA approval effective retroactively to 2023-03-14. |
| 2023-01-01 | Note | First appearance of guideline change(s) in codebook. |
| 2022-12-08 | Note | AMA guideline changed to include 0173A. Published to website 2021-12-09. Received FDA approval effective retroactively to 2022-12-08. |
| 2022-12-08 | Note | AMA Guideline changed. 0164A received FDA approval. |
| 2022-11-16 | Note | AMA guideline changed to include 0164A effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2022-10-19 | Note | AMA Guideline changed. 0044A received FDA approval. |
| 2022-10-12 | Note | AMA Guideline changed. 0134A (12 through 17 yrs) 0144A, 0154A received FDA approval. |
| 2022-10-10 | Note | AMA guideline changed to include 0044A effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2022-08-31 | Note | AMA guideline changed to include 0144A, 0154A effective upon receiving emergency Use Authorization or approval from the FDA. |
| 2022-08-31 | Note | AMA Guideline changed to include 0124A, 0134A. 0124A and 0134A (18 yrs and older) received FDA approval, effective immediately. |
| 2022-07-13 | Note | AMA Guideline changed. 0041A, 0042A received FDA approval. |
| 2022-06-17 | Note | AMA guideline changed to include 0091A, 0092A, 0093A, 0113A. Published to website 2022-07-06. Effective retroactively to 2022-06-17. |
| 2022-06-17 | Note | AMA Guideline changed. 0081A, 0082A, 0083A, , 0111A, 0112A, received FDA approval. |
| 2022-06-07 | Note | AMA guideline changed to include 0083A effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2022-05-19 | Note | AMA guideline changed to include 0111A, 0112A effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2022-05-17 | Note | AMA Guideline changed. 0074A received FDA approval. |
| 2022-04-26 | Note | AMA guideline changed to include 0074A, 0104A. Effective upon receiving emergency Use Authorization or approval from the FDA. |
| 2022-03-29 | Note | AMA Guideline changed. 0094A received FDA approval. |
| 2022-03-07 | Note | AMA guideline changed to include 0094A effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2022-02-01 | Note | AMA guideline changed to include 0081A, 0082A effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2022-01-03 | Note | AMA guideline changed to include 0073A. Published to website 2022-01-12. Effective retroactively to 2022-01-03. |
| 2022-01-01 | Note | First appearance of 2020 & 2021 AMA Guidelines changes in codebook. |
| 2021-10-29 | Note | AMA Guideline changed. 0051A, 0052A,0053A, 0054A, 0071A, and 0072A received FDA approval. |
| 2021-10-20 | Note | AMA guideline changed to include 0034A. Published to website 2021-10-27. Effective retroactively to 2022-10-20. |
| 2021-10-20 | Note | AMA Guideline changed. 0034A received FDA approval. |
| 2021-10-20 | Note | AMA Guideline changed. 0064A received FDA approval. |
| 2021-10-06 | Note | AMA Guideline changed to include 0071A, 0072A (effective upon receiving Emergency Use Authorization or approval from the Food and DrugAdministration) |
| 2021-09-22 | Note | AMA Guideline changed. 0004A received FDA approval. |
| 2021-09-03 | Note | AMA guideline changed to include 0004A, 0051A, 0052A, 0053A, 0054A, 0064A effective upon receiving Emergency Use Authorization or approval from the FDA |
| 2021-08-12 | Note | AMA guideline changed to include 0013A. Published to website 2021-08-16. Effective retroactively to 2022-08-12. |
| 2021-08-12 | Note | AMA Guideline changed. 0003A received FDA approval. |
| 2021-07-30 | Note | Code 0003A added to guideline. Effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2021-05-04 | Note | AMA guideline changed to include 0041A, 0042A effective upon receiving Emergency Use Authorization or approval from the FDA |
| 2021-02-27 | Note | AMA Guideline changed. Code 0031A received FDA approval. |
| 2021-01-19 | Note | AMA guideline changed to include 0031A effective upon receiving Emergency Use Authorization or approval from the FDA |
| 2020-12-18 | Note | AMA Guideline changed. Codes 0011A, 0012A received FDA approval. |
| 2020-12-17 | Note | AMA guideline changed to include 0021A & 0022A effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2020-12-17 | Note | AMA guideline changed to include 91305 & 91306 effective upon receiving Emergency Use Authorization or approval from the FDA |
| 2020-12-11 | Note | AMA Guideline change. Codes 0001A, 0002A received FDA approval. |
| 2020-11-10 | Note | AMA guideline changed to include 0001A, 0002A, 0011A, 0012A effective upon receiving Emergency Use Authorization or approval from the FDA. |
| 2015-01-01 | Note | AMA Guidelines changed. |
| 2013-01-01 | Changed | Guideline information changed. |
| 2011-01-01 | Note | AMA guideline changed to include 90460, 90461, 90471, and 90472. FDA approval already received. |
| 2011-01-01 | Changed | Short description changed. |
| 2009-01-01 | Note | AMA guideline codes 90471, 90472 added (1999) prior to the addition of 96372. |
| 2009-01-01 | Added | Code added. |