Summary & Overview
HCPCS G0239: Group Respiratory Therapeutic Procedures
HCPCS Level II code G0239 represents group therapeutic procedures aimed at improving respiratory function or increasing the strength and endurance of respiratory muscles, and it includes monitoring as part of the service. This code is used for pulmonary rehabilitation and respiratory therapy delivered to two or more patients concurrently, typically in outpatient hospital or clinic settings. Nationally, group-based respiratory therapy supports management of chronic respiratory conditions, can increase access to therapy through shared sessions, and is relevant to payers focused on chronic disease management and post-acute care.
Key payers in scope include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication provides a concise overview of the clinical context for G0239, common billing relationships with related respiratory and pulmonary procedure codes, and administrative considerations relevant to outpatient delivery. Readers will find benchmarks for typical sites of service, an outline of associated clinical indications that commonly map to this code, and practical notes on typical payer coverage patterns and documentation elements required for group pulmonary rehabilitation services. Where specific data elements were not provided in the input, the text notes, "Data not available in the input." The focus is informational: clarifying the clinical purpose of G0239, situating it among related respiratory services, and summarizing payer relevance for national audiences.
Billing Code Overview
HCPCS Level II code G0239 describes therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles, provided to two or more individuals and includes monitoring. This service is categorized under pulmonary rehabilitation / respiratory therapy and is typically delivered in an outpatient hospital or clinic setting, such as a comprehensive outpatient rehabilitation facility or similar outpatient environment.
Clinical & Coding Specifications
Clinical Context
A 68-year-old patient with chronic obstructive pulmonary disease (COPD) experiences increased dyspnea and reduced exercise tolerance following a recent exacerbation. The outpatient pulmonary rehabilitation team schedules supervised respiratory muscle training sessions in a clinic or outpatient hospital setting. During each visit, two or more clinicians (for example, a pulmonary disease physician directing care and a respiratory therapist delivering the therapy) provide therapeutic procedures to improve respiratory function and to increase respiratory muscle strength and endurance, with continuous monitoring of vital signs and oxygen saturation. The workflow includes intake assessment, monitored exercise and breathing exercises, adjustment of oxygen or inhaled therapies as needed, documentation of session time and personnel, and discharge planning for home exercise.
Coding Specifications
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HCPCS Level II code
G0239: Therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles, two or more individuals (includes monitoring). -
Common Modifiers
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59- Distinct Procedural Service: Use when the service is separate and independent from other services performed on the same day. Applies whenG0239is separately identifiable from other procedures. -
76- Repeat Procedure by Same Physician: Use when the exact same procedureG0239is repeated by the same physician or provider on the same day.