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Official Description

Radiologic examination, hip, unilateral, with pelvis when performed; 2-3 views

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

A radiologic examination of the hip, designated by CPT® Code 73502, involves imaging of either the left or right hip joint, and may also include the pelvis when performed. This procedure utilizes X-ray technology, which employs indirect ionizing radiation to create images of the internal structures of the body. The principle behind X-ray imaging is based on the varying densities and compositions of human tissues, which affect how X-rays are absorbed or transmitted. As a result, some X-rays are absorbed by denser materials, such as bone, while others pass through less dense tissues, allowing for the creation of a two-dimensional image on a detector positioned behind the area being examined. The primary purpose of this examination is to assess the hip joint for various conditions that may affect its structure and function. Common indications for performing this radiologic examination include the evaluation of fractures, dislocations, deformities, degenerative bone diseases, osteomyelitis, arthritis, the presence of foreign bodies, infections, or tumors. The standard views typically captured during this examination include the anteroposterior view, which is taken with the patient lying supine and the legs straight, slightly rotated inward; the lateral 'frog-leg' view, where the hips are flexed and abducted with the knees bent and the soles of the feet together; and a cross-table view, which requires the unaffected hip and knee to be flexed at a 90-degree angle to allow the X-ray beam to be directed perpendicular to the long axis of the femur on the affected side. Additionally, a lateral view may be taken with the hip flexed and abducted at 45 degrees, with the X-ray beam aimed perpendicular to the examination table. For coding purposes, CPT® Code 73501 is used for a single view of the hip, while CPT® Code 73502 is specifically for a unilateral hip examination consisting of 2-3 views, and CPT® Code 73503 is designated for examinations that include a minimum of 4 views.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The radiologic examination of the hip, as described by CPT® Code 73502, is indicated for a variety of clinical conditions and symptoms that may affect the hip joint. These indications include:

  • Fractures The examination is performed to identify any fractures in the hip region, which may result from trauma or injury.
  • Dislocations It is used to assess dislocations of the hip joint, which can occur due to accidents or falls.
  • Deformities The procedure helps in evaluating any structural deformities of the hip that may be congenital or acquired.
  • Degenerative Bone Conditions Conditions such as osteoarthritis or other degenerative diseases affecting the hip joint can be assessed through this examination.
  • Osteomyelitis The examination may be indicated to check for signs of infection in the bone surrounding the hip joint.
  • Arthritis Various forms of arthritis affecting the hip joint can be evaluated using this imaging technique.
  • Foreign Body The procedure is useful in detecting any foreign bodies that may be present in the hip area.
  • Infection It can help identify infections in the hip joint or surrounding tissues.
  • Tumor The examination may be indicated to evaluate the presence of tumors in the hip region.

2. Procedure

The procedure for a radiologic examination of the hip, coded as CPT® 73502, involves several specific steps to ensure accurate imaging of the hip joint and, when applicable, the pelvis. The following procedural steps are typically followed:

  • Step 1: Patient Positioning The patient is positioned appropriately for the examination. For the anteroposterior view, the patient lies supine with legs straight and slightly rotated inward. This positioning is crucial for obtaining clear images of the hip joint.
  • Step 2: Anteroposterior View The first X-ray is taken in the anteroposterior view, which captures the hip joint from front to back. This view provides essential information about the alignment and integrity of the hip joint.
  • Step 3: Lateral 'Frog-Leg' View The second view, known as the lateral 'frog-leg' view, is obtained by flexing and abducting the hips while the knees are flexed and the soles of the feet are placed together. This view allows for a better assessment of the hip joint's lateral structures.
  • Step 4: Cross-Table View A cross-table view may be performed, where the unaffected hip and knee are flexed at a 90-degree angle to move them out of the way. The X-ray beam is directed perpendicular to the long axis of the femur on the affected side, providing a different perspective of the hip joint.
  • Step 5: Additional Lateral View If necessary, an additional lateral view may be taken with the hip flexed at 45 degrees and abducted at 45 degrees, with the beam aimed perpendicular to the examination table. This view further aids in evaluating the hip joint.

3. Post-Procedure

After the radiologic examination of the hip is completed, the patient may be instructed to resume normal activities unless otherwise advised by the healthcare provider. The images obtained will be reviewed by a radiologist or the attending physician, who will interpret the findings and provide a report. Depending on the results, further diagnostic testing or treatment may be recommended. It is important for the healthcare provider to discuss the findings with the patient and outline any necessary follow-up actions or additional imaging that may be required.

Short Descr X-RAY EXAM HIP UNI 2-3 VIEWS
Medium Descr RADEX HIP UNILATERAL WITH PELVIS 2-3 VIEWS
Long Descr Radiologic examination, hip, unilateral, with pelvis when performed; 2-3 views
Status Code Active Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 1 - Diagnostic Tests for Radiology Services
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
ASC Payment Indicator Packaged service/item; no separate payment made.
Type of Service (TOS) 4 - Diagnostic Radiology
Berenson-Eggers TOS (BETOS) I1B - Standard imaging - musculoskeletal
MUE 2
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.
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)
TC Technical component; under certain circumstances, a charge may be made for the technical component alone; under those circumstances the technical component charge is identified by adding modifier 'tc' to the usual procedure number; technical component charges are institutional charges and not billed separately by physicians; however, portable x-ray suppliers only bill for technical component and should utilize modifier tc; the charge data from portable x-ray suppliers will then be used to build customary and prevailing profiles
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
FY X-ray taken using computed radiography technology/cassette-based imaging
GC This service has been performed in part by a resident under the direction of a teaching physician
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.
GW Service not related to the hospice patient's terminal condition
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
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.
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.
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
CR Catastrophe/disaster related
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
FX X-ray taken using film
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
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).
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
GA Waiver of liability statement issued as required by payer policy, individual case
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
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.
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).
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).
53 Discontinued procedure: under certain circumstances, the physician or other qualified health care professional may elect to terminate a surgical or diagnostic procedure. due to extenuating circumstances or those that threaten the well being of the patient, it may be necessary to indicate that a surgical or diagnostic procedure was started but discontinued. this circumstance may be reported by adding modifier 53 to the code reported by the individual for the discontinued procedure. note: this modifier is not used to report the elective cancellation of a procedure prior to the patient's anesthesia induction and/or surgical preparation in the operating suite. for outpatient hospital/ambulatory surgery center (asc) 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).
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.
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.)
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.
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.
AF Specialty physician
AK Non participating physician
AM Physician, team member service
AP Determination of refractive state was not performed in the course of diagnostic ophthalmological examination
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
ER Items and services furnished by a provider-based, off-campus emergency department
ET Emergency services
F8 Right hand, fourth digit
FT Unrelated evaluation and management (e/m) visit on the same day as another e/m visit or during a global procedure (preoperative, postoperative period, or on the same day as the procedure, as applicable). (report when an e/m visit is furnished within the global period but is unrelated, or when one or more additional e/m visits furnished on the same day are unrelated)
GB Claim being re-submitted for payment because it is no longer covered under a global payment demonstration
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
GO Services delivered under an outpatient occupational therapy plan of care
GP Services delivered under an outpatient physical therapy plan of care
GT Via interactive audio and video telecommunication systems
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
GX Notice of liability issued, voluntary under payer policy
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
GZ Item or service expected to be denied as not reasonable and necessary
HM Less than bachelor degree level
JW Drug amount discarded/not administered to any patient
JZ Zero drug amount discarded/not administered to any patient
KT Beneficiary resides in a competitive bidding area and travels outside that competitive bidding area and receives a competitive bid item
KX Requirements specified in the medical policy have been met
MA Ordering professional is not required to consult a clinical decision support mechanism due to service being rendered to a patient with a suspected or confirmed emergency medical condition
MH Unknown if ordering professional consulted a clinical decision support mechanism for this service, related information was not provided to the furnishing professional or provider
P2 A patient with mild systemic disease
PC Wrong surgery or other invasive procedure on patient
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
PN Non-excepted service provided at an off-campus, outpatient, provider-based department of a hospital
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
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
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)
QQ Ordering professional consulted a qualified clinical decision support mechanism for this service and the related data was provided to the furnishing professional
RI Ramus intermedius coronary artery
SA Nurse practitioner rendering service in collaboration with a physician
SG Ambulatory surgical center (asc) facility service
ST Related to trauma or injury
T1 Left foot, second digit
T3 Left foot, fourth digit
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
TV Special payment rates, holidays/weekends
U6 Medicaid level of care 6, as defined by each state
UC Medicaid level of care 12, as defined by each state
UD Medicaid level of care 13, as defined by each state
UH Services provided in the evening
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
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
XP Separate practitioner, a service that is distinct because it was performed by a different practitioner
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
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