Find policies, billing codes, payers, states, and providers

CPT 99288: Medical Direction via Two-Way Radio for EMS Patients

CPT code 99288 denotes physician or medical director oversight delivered by two-way radio to emergency medical services (EMS) personnel caring for patients in the field or during transport. The code covers medical direction for trauma cases and patients requiring advanced life support, reflecting the coordination required for time-critical, high-acuity prehospital care. Nationally, correct use of this code affects billing for physician oversight of EMS interventions and underscores the role of remote medical direction in emergency systems.

Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code’s clinical context and service setting, an overview of common modifiers and billing considerations, and benchmarking and policy content where available. The publication highlights typical use cases—prehospital trauma management and advanced life support during transport—and explains the operational circumstances that warrant use of 99288.

This summary equips billing professionals, emergency physicians, and EMS administrators with a clear understanding of the code’s scope, common payer coverage patterns, and the clinical situations in which radio-based medical direction is documented for reimbursement and compliance.

Customize your policy alerts

Sign up for cpt 99288 policy alerts

Get alerted when payer policies referencing 99288 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Billing Code Overview

CPT code 99288 describes medical direction provided via two-way radio between a physician (or other qualified medical director) and emergency medical services (EMS) personnel who are managing a patient in the field or during transport to or from the emergency department. The code applies when medical direction is provided for trauma patients or patients requiring advanced life support, and the communication is active two-way radio contact that guides patient care.

Service type: Medical direction via two-way radio for EMS-managed patients
Typical site of service: Prehospital/field settings and during transport to or from the emergency department

Find policies, billing codes, payers, states, and providers

CPT 99288: Medical Direction via Two-Way Radio for EMS Patients

Customize your policy alerts

Sign up for cpt 99288 policy alerts

Get alerted when payer policies referencing 99288 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Billing Code Overview

Service type: Medical direction via two-way radio for EMS-managed patients
Typical site of service: Prehospital/field settings and during transport to or from the emergency department

Clinical & Coding Specifications

Clinical Context

A paramedic crew responds to a multi-vehicle crash with an adult patient found hypotensive, tachycardic, and with altered mental status. During transport to the emergency department, the EMS team requests real-time medical direction via two-way radio for advanced airway management and fluid resuscitation. The emergency physician provides medical direction, confirms indications for rapid sequence intubation, advises on medication dosing and intravenous fluid strategy, and documents the direction given. The workflow includes initial scene assessment by EMS, radio contact with the on‑call emergency physician, physician-directed advanced life support interventions during transport, and arrival handoff to the ED team. Billing is performed by the physician for medical direction of EMS care using 99288 when requirements for medical direction via two‑way radio for trauma or ALS patients are met.

Coding Specifications

Modifier	Description	When to Use
`00`	No modifier; standard billing indicator	Use when no additional modifier applies to the medical direction service
`25`	Significant, separately identifiable E/M service by the same provider on the same day	Use if the physician also documents a separate, distinct ED evaluation unrelated to the EMS radio direction
`26`	Professional component	Use when reporting only the physician professional component of a service provided in conjunction with another technical service (rare for `99288` but applicable if split-billing situations arise)
`29`	Distinct procedural service	Use when the physician documents a distinct procedural medical direction separate from other services
`52`	Reduced services	Use when the medical direction provided is partially reduced in scope compared with full service
`53`	Discontinued procedure	Use if medical direction was initiated but discontinued prior to completion for documented reasons
`55`	Split treatment/related services by another physician	Use when part of the episode of care is managed by another physician and documentation supports shared responsibility
`56`	Preoperative assessment only	Use if the physician provided only preoperative direction/assessment related to EMS transport (limited applicability)
`80`	Assistant surgeon	Use if the physician acted as an assistant surgeon while also providing direction (rare for radio medical direction)
`82`	Assistant surgeon (when qualified resident not available)	Use when an assistant surgeon service was provided in the absence of an available resident

Taxonomy Code	Specialty	Notes
`208D00000X`	Emergency Medicine Physician	Most common provider giving EMS medical direction for trauma and ALS patients
`207P00000X`	Critical Care Medicine	Provides medical direction for critically ill patients requiring advanced interventions during transport
`207K00000X`	Anesthesiology	May provide airway management direction for complex intubations during transport
`2084P0800X`	Pediatric Emergency Medicine	Provides EMS medical direction for pediatric trauma or ALS cases
`207L00000X`	Pulmonary Disease/Critical Care	Consultative direction for advanced airway and ventilatory management during transport

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`S72.001A`	Fracture of unspecified part of neck of right femur, initial encounter for closed fracture	Major trauma transported by EMS where physician medical direction may be provided
`S06.5X9A`	Traumatic subdural hemorrhage with loss of consciousness of unspecified duration, initial encounter	Severe head injury requiring ALS interventions under physician radio direction during transport
`I21.3`	ST elevation (STEMI) myocardial infarction of unspecified site	Cardiac emergency where EMS may seek physician direction for advanced therapies during transport
`I46.9`	Cardiac arrest, cause unspecified	Cardiac arrest calls where EMS performs ALS under physician direction via radio
`R57.0`	Cardiogenic shock	Shock states requiring physician-directed advanced resuscitation in the field or during transport

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99223`	Initial hospital inpatient consultation, high complexity	May be performed on arrival for continued management after EMS-directed ALS during transport
`31500`	Intubation, endotracheal, emergency procedure	Commonly performed in the field or immediately on arrival when physician-directed airway management was involved during transport
`93010`	Electrocardiogram, interpretation and report only	Performed in parallel for patients with suspected cardiac involvement during EMS care and ED arrival
`92950`	Cardiopulmonary resuscitation (CPR)	May be performed by EMS under physician direction during transport for cardiac arrest patients
`94002`	Ventilator management initiation	Used when invasive ventilatory support is initiated in the ED following physician-directed airway management during transport

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`00`	No modifier; standard billing indicator	Use when no additional modifier applies to the medical direction service
`25`	Significant, separately identifiable E/M service by the same provider on the same day	Use if the physician also documents a separate, distinct ED evaluation unrelated to the EMS radio direction
`26`	Professional component	Use when reporting only the physician professional component of a service provided in conjunction with another technical service (rare for `99288` but applicable if split-billing situations arise)
`29`	Distinct procedural service	Use when the physician documents a distinct procedural medical direction separate from other services
`52`	Reduced services	Use when the medical direction provided is partially reduced in scope compared with full service
`53`	Discontinued procedure	Use if medical direction was initiated but discontinued prior to completion for documented reasons
`55`	Split treatment/related services by another physician	Use when part of the episode of care is managed by another physician and documentation supports shared responsibility
`56`	Preoperative assessment only	Use if the physician provided only preoperative direction/assessment related to EMS transport (limited applicability)
`80`	Assistant surgeon	Use if the physician acted as an assistant surgeon while also providing direction (rare for radio medical direction)
`82`	Assistant surgeon (when qualified resident not available)	Use when an assistant surgeon service was provided in the absence of an available resident

Taxonomy Code	Specialty	Notes
`208D00000X`	Emergency Medicine Physician	Most common provider giving EMS medical direction for trauma and ALS patients
`207P00000X`	Critical Care Medicine	Provides medical direction for critically ill patients requiring advanced interventions during transport
`207K00000X`	Anesthesiology	May provide airway management direction for complex intubations during transport
`2084P0800X`	Pediatric Emergency Medicine	Provides EMS medical direction for pediatric trauma or ALS cases
`207L00000X`	Pulmonary Disease/Critical Care	Consultative direction for advanced airway and ventilatory management during transport

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`S72.001A`	Fracture of unspecified part of neck of right femur, initial encounter for closed fracture	Major trauma transported by EMS where physician medical direction may be provided
`S06.5X9A`	Traumatic subdural hemorrhage with loss of consciousness of unspecified duration, initial encounter	Severe head injury requiring ALS interventions under physician radio direction during transport
`I21.3`	ST elevation (STEMI) myocardial infarction of unspecified site	Cardiac emergency where EMS may seek physician direction for advanced therapies during transport
`I46.9`	Cardiac arrest, cause unspecified	Cardiac arrest calls where EMS performs ALS under physician direction via radio
`R57.0`	Cardiogenic shock	Shock states requiring physician-directed advanced resuscitation in the field or during transport

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99223`	Initial hospital inpatient consultation, high complexity	May be performed on arrival for continued management after EMS-directed ALS during transport
`31500`	Intubation, endotracheal, emergency procedure	Commonly performed in the field or immediately on arrival when physician-directed airway management was involved during transport
`93010`	Electrocardiogram, interpretation and report only	Performed in parallel for patients with suspected cardiac involvement during EMS care and ED arrival
`92950`	Cardiopulmonary resuscitation (CPR)	May be performed by EMS under physician direction during transport for cardiac arrest patients
`94002`	Ventilator management initiation	Used when invasive ventilatory support is initiated in the ED following physician-directed airway management during transport

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

OpenPayer

CPT 99288: Medical Direction via Two-Way Radio for EMS Patients

Sign up for cpt 99288 policy alerts

Billing Code Overview

Catch payer policy changes before they impact reimbursement

Catch payer policy changes before they impact reimbursement

OpenPayer

CPT 99288: Medical Direction via Two-Way Radio for EMS Patients

Sign up for cpt 99288 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

References