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Official Description

Intubation, endotracheal, emergency procedure

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 31500 refers to an emergency endotracheal intubation, which is a critical intervention performed to secure the airway in patients who are unable to breathe adequately on their own. This procedure is essential in situations where immediate airway management is necessary, such as in cases of severe respiratory distress, unconsciousness, or when a patient is at risk of airway obstruction. During the intubation process, the healthcare provider opens the patient's mouth and removes any dentures to ensure unobstructed access to the airway. A laryngoscope, a specialized instrument designed to visualize the throat, is then inserted to allow the provider to see the hypopharynx, glottis, and vocal cords clearly. Once the anatomy is visualized, a properly sized endotracheal tube is selected, which is crucial for ensuring adequate ventilation and oxygenation. The balloon at the end of the tube is inflated to secure the tube in place within the trachea, preventing air from escaping and ensuring that the patient receives the necessary ventilation support. A stylet, a flexible rod, is used to shape the endotracheal tube, making it easier to navigate through the airway. The tube is carefully inserted alongside the laryngoscope into the trachea, with the balloon positioned just beyond the vocal cords to ensure proper placement. After the stylet is removed, the endotracheal tube is connected to a ventilation device, such as a bag-valve mask or ventilator, and secured with tape to prevent displacement. Finally, breath sounds are auscultated using a stethoscope to confirm that the tube is correctly positioned and that the patient is receiving adequate ventilation.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure of endotracheal intubation, as described by CPT® Code 31500, is indicated in several critical situations where airway management is necessary. These include:

  • Severe Respiratory Distress - This condition may arise from various causes, including asthma exacerbations, chronic obstructive pulmonary disease (COPD) flare-ups, or pneumonia, where the patient is unable to maintain adequate oxygenation and ventilation.
  • Unconsciousness - Patients who are unresponsive due to trauma, overdose, or other medical emergencies may require intubation to secure the airway and ensure that they can breathe adequately.
  • Risk of Airway Obstruction - Situations such as anaphylaxis, severe facial or neck trauma, or swelling can lead to potential airway compromise, necessitating immediate intubation to prevent asphyxiation.

2. Procedure

The procedure for endotracheal intubation involves several critical steps to ensure the airway is secured effectively. These steps include:

  • Step 1: Preparation - The healthcare provider begins by preparing the patient for intubation, which includes opening the mouth and removing any dentures to facilitate access to the airway.
  • Step 2: Visualization - A laryngoscope is then inserted into the patient's mouth and advanced into the hypopharynx. This allows the provider to visualize the glottis and vocal cords, which is essential for proper tube placement.
  • Step 3: Tube Selection - The provider selects a properly sized endotracheal tube based on the patient's anatomy and clinical condition. This selection is crucial for ensuring effective ventilation.
  • Step 4: Tube Preparation - A stylet is inserted into the endotracheal tube to provide rigidity and facilitate the bending of the tube into a crescent shape, making it easier to navigate through the airway.
  • Step 5: Insertion - The endotracheal tube, along with the stylet, is carefully inserted alongside the laryngoscope into the trachea. The provider ensures that the balloon of the tube is positioned just beyond the vocal cords to secure the airway effectively.
  • Step 6: Securing the Tube - After the stylet is removed, the endotracheal tube is connected to a ventilation device, such as a bag-valve mask or ventilator, and secured in place with tape to prevent any movement or dislodgment.
  • Step 7: Confirmation of Placement - Finally, the provider checks for proper placement by auscultating breath sounds with a stethoscope, ensuring that the endotracheal tube is positioned correctly and that the patient is receiving adequate ventilation.

3. Post-Procedure

After the endotracheal intubation procedure, the patient requires careful monitoring to ensure that the airway remains secure and that ventilation is adequate. Continuous assessment of breath sounds and oxygen saturation levels is essential to confirm that the endotracheal tube is functioning properly. Additionally, the healthcare team must be vigilant for any signs of complications, such as accidental extubation, tube obstruction, or injury to the airway. The patient may also require sedation and analgesia to ensure comfort while intubated. Documentation of the procedure, including the size of the endotracheal tube used, the method of confirmation of placement, and any complications encountered, is critical for ongoing patient care and compliance with medical standards.

Short Descr INSERT EMERGENCY AIRWAY
Medium Descr INTUBATION ENDOTRACHEAL EMERGENCY PROCEDURE
Long Descr Intubation, endotracheal, emergency procedure
Status Code Active Code
Global Days 000 - Endoscopic or Minor Procedure
PC/TC Indicator (26, TC) 0 - Physician Service 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) 1 - Statutory 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 Procedure or Service, Multiple Reduction Applies
ASC Payment Indicator Non office-based surgical procedure added in CY 2008 or later; payment based on OPPS relative payment weight.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P1G - Major procedure - Other
MUE 2
CCS Clinical Classification 216 - Respiratory intubation and mechanical ventilation
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.
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
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
GW Service not related to the hospice patient's terminal condition
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
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
CR Catastrophe/disaster related
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).
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
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
FS Split (or shared) evaluation and management visit
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.
AG Primary physician
ET Emergency services
XP Separate practitioner, a service that is distinct because it was performed by a different practitioner
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.)
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
22 Increased procedural services: when the work required to provide a service is substantially greater than typically required, it may be identified by adding modifier 22 to the usual procedure code. documentation must support the substantial additional work and the reason for the additional work (ie, increased intensity, time, technical difficulty of procedure, severity of patient's condition, physical and mental effort required). note: this modifier should not be appended to an e/m service.
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.
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.
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).
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.
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.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
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.
AI Principal physician of record
AO Alternate payment method declined by provider of service
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
ER Items and services furnished by a provider-based, off-campus emergency department
FP Service provided as part of family planning program
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)
G9 Monitored anesthesia care for patient who has history of severe cardio-pulmonary condition
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
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
LT Left side (used to identify procedures performed on the left side of the body)
P4 A patient with severe systemic disease that is a constant threat to life
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
Q0 Investigational clinical service provided in a clinical research study that is in an approved clinical research study
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
Q3 Live kidney donor surgery and related services
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)
QX Crna service: with medical direction by a physician
QZ Crna service: without medical direction by a physician
RT Right side (used to identify procedures performed on the right side of the body)
SA Nurse practitioner rendering service in collaboration with a physician
TR School-based individualized education program (iep) services provided outside the public school district responsible for the student
UD Medicaid level of care 13, as defined by each state
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
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