Blue Cross Blue Shield MA Outpatient Pulmonary Rehab Coverage

Coverage Criteria for Outpatient Pulmonary Rehabilitation

Initial Outpatient Pulmonary Rehabilitation

Covered when ALL of the following are met

Outpatient single course for chronic pulmonary disease: A single course of pulmonary rehabilitation in the outpatient ambulatory care setting is medically necessary for individuals with moderate to severe chronic pulmonary disease who have disabling symptoms and significantly diminished quality of life despite optimal medical management.single course

Supported by clinical guidelines and evidence for COPD

Preoperative Pulmonary Rehabilitation

Covered when ALL of the following are met

Preoperative rehabilitation for lung surgery candidates: A single course of pulmonary rehabilitation may be medically necessary as preoperative conditioning for individuals considered appropriate candidates for lung volume reduction surgery or lung transplantation.single course

NETT findings and transplantation standards support use as preoperative conditioning

Postoperative Rehabilitation (Lung Transplant)

Covered when ALL of the following are met

Postoperative rehabilitation after lung transplantation: Pulmonary rehabilitation programs are considered medically necessary following lung transplantation.single course

Randomized trials, systematic reviews, and case series report functional improvements post-transplant

Pulmonary rehabilitation after lung transplantation

Covered when supported by evidence demonstrating functional benefit

Transplant PR evidence: Randomized trials, a systematic review, and case series report improvements in functional outcomes (for example, 6-minute walk distance) after postoperative pulmonary rehabilitation; the evidence is sufficient to determine improvement in net health outcome for post-transplant pulmonary rehabilitation.

Includes RCTs showing increased 6MWD and supporting uncontrolled studies

Pulmonary rehabilitation after lung volume reduction surgery

Not sufficiently supported

LVRS PR evidence: For individuals who have had lung volume reduction surgery, evidence for a single course of outpatient pulmonary rehabilitation is limited to a case series without randomized controlled trials; the evidence is insufficient to determine an improvement in net health outcome.

Case series lacked comparator groups; no published RCTs identified

Pulmonary rehabilitation after lung cancer resection

Insufficient evidence

Lung cancer resection PR: For individuals who have had lung cancer resection, evidence includes two randomized controlled trials with methodological limitations (early termination, high dropout) and mixed findings; the evidence is insufficient to determine an improvement in net health outcome.

One trial terminated early; exercise-only interventions had mixed findings

Repeat or maintenance pulmonary rehabilitation

Insufficient evidence for benefit

Repeat/maintenance PR: For individuals who have had an initial course of pulmonary rehabilitation, repeat or maintenance outpatient pulmonary rehabilitation has been evaluated in a limited number of RCTs with methodological limitations and mixed results; the evidence is insufficient to determine an improvement in net health outcome.

Available trials are few, small, and of limited duration or methodological rigor

Home-based pulmonary rehabilitation

Evidence inconclusive compared with standard or clinic-based PR

Home-based PR: For individuals with an indication for outpatient pulmonary rehabilitation, home-based pulmonary rehabilitation has been studied in randomized trials and systematic reviews, but very few studies directly compare home-based programs with hospital- or clinic-based pulmonary rehabilitation and the available direct-comparison studies are mostly low quality; evidence is insufficient to determine an improvement in net health outcome compared with clinic-based programs.

Most studies compare home-based PR with standard care rather than clinic-based PR

Pulmonary rehabilitation programs are considered investigational when provided following other types of lung surgery beyond lung transplantation. The policy explicitly lists this investigational stance for procedures including, but not limited to, lung volume reduction surgery and surgical resection of lung cancer; the determination reflects limited or insufficient comparative evidence for improved net health outcomes after these surgeries.

Operationally, this means outpatient pulmonary rehabilitation after non‑transplant lung surgeries should be treated as not established by the evidence and managed accordingly for prior authorization and coverage determinations unless other sections of this policy or related policies indicate medical necessity.

Within the portion of the document under review there are no explicit additional exclusions beyond the investigational categories already stated (for example, post‑surgical situations, repeat/maintenance courses, and home‑based programs).

Providers should therefore rely on the policy’s stated coverage and investigational language for specific indications and consult related or product‑specific guidance (and prior authorization requirements) when handling cases not directly addressed in these sections.

The policy states that pulmonary rehabilitation programs are considered investigational in all other situations not identified as medically necessary. This provides a general catch‑all that programs outside the enumerated medically necessary indications (such as standard outpatient COPD care, preoperative conditioning for LVRS/transplant, and post‑transplant rehabilitation) are not supported by the evidence in this document.

For indications where evidence is described as insufficient — specifically pulmonary rehabilitation after lung volume reduction surgery, after lung cancer resection, repeat or maintenance courses, and home‑based pulmonary rehabilitation — the policy treats the interventions as of unproven benefit and not established as medically necessary based on available evidence.

Operational guidance: when documentation is submitted for these indications, expect closer scrutiny during authorization and potential denial if evidence of clinical benefit is lacking. Limitations noted in the evidence base (absence of RCTs for LVRS, small or terminated trials after cancer resection, short duration or methodologic weaknesses for repeat/maintenance trials, and low‑quality or noncomparative home‑based studies) should be cited in clinical narratives when requesting coverage exceptions or peer review.

Coding and Billing Codes

CPT CodesCPTCovered

94625	Physician or other qualified health care professional services for outpatient pulmonary rehabilitation; without continuous oximetry monitoring (per session).
94626	Physician or other qualified health care professional services for outpatient pulmonary rehabilitation; with continuous oximetry monitoring (per session).

HCPCS CodesHCPCSCovered

G0237	Therapeutic procedures to increase strength or endurance of respiratory muscles, face-to-face, one-on-one, each 15 minutes (includes monitoring).
G0238	Therapeutic procedures to improve respiratory function, other than described by G0237, one-on-one face-to-face per 15 minutes (includes monitoring).
G0239	Therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles; two or more individuals (includes monitoring).
G0302	Preoperative pulmonary surgery services for preparation for LVRS, complete course of services, to include a minimum of 16 days of services.
G0303	Preoperative pulmonary surgery services for preparation for LVRS, 10 to 15 days of services.
G0304	Preoperative pulmonary surgery services for preparation for LVRS, to 9 days of services.
G0305	Post discharge pulmonary surgery services after LVRS, minimum of 6 days of services.
G0424	Pulmonary rehabilitation; including exercise (includes monitoring), one hour, per session, up to two sessions per day.
S9473	Pulmonary rehabilitation program, nonphysician provider, per diem.

ICD-10 Diagnosis Codes (selected examples)ICD-10

J96.11	Chronic respiratory failure with hypoxia.
J44.9	Chronic obstructive pulmonary disease, unspecified.
J84.112	Idiopathic pulmonary fibrosis.
Z94.2	Encounter for aftercare following lung transplant (note: document lists codes related to transplant/aftercare and lung transplant status).

Minimum preoperative LVRS days

Minimum preoperative LVRS days (HCPCS G0302)G0302 specifies a complete preoperative pulmonary surgery course for LVRS that must include a minimum of 16 days of services.

Alternate preop LVRS HCPCS codesG0303: 10–15 days of services; G0304: up to 9 days of services.

Post-discharge LVRS HCPCS codeG0305: post-discharge pulmonary surgery services after LVRS, minimum of 6 days of services.

Provider Actions, Prior Authorization, and Billing Guidance

Prior Authorization

Prior Authorization Required

Precertification/preauthorization is required for all products if the procedure is performed inpatient. For outpatient services, requirements vary by product — providers must verify member-specific requirements prior to scheduling.

Inpatient: Precertification/preauthorization IS REQUIRED for all products when the procedure is performed inpatient.
Outpatient: Commercial PPO and Indemnity — prior authorization is not required. Medicare HMO Blue — prior authorization is not required. Medicare PPO Blue — prior authorization is not required. Providers should confirm requirements for other products or plan variants before service.
Providers must check the member's contract benefits effective at the time of service to determine coverage.
Policy history indicates prior authorization information was reformatted; providers should verify the current prior authorization process with the payer/portal as procedures and submission steps may have changed.

Note

Prior Authorization Process — Verify Current Steps

Background and Policy Scope

Pulmonary rehabilitation is a comprehensive, multidisciplinary intervention that includes exercise training, education, and behavior change strategies tailored to the individual following a thorough patient assessment. The goal of these programs is to reduce symptoms and improve functional status and quality of life for patients with compromised pulmonary function.

Most of the high‑quality evidence and guideline support focus on chronic obstructive pulmonary disease and on specific perioperative uses such as preoperative conditioning and post‑transplant rehabilitation; other applications have limited or inconclusive evidence and are addressed elsewhere in this policy.

Key Definitions

Pulmonary rehabilitation — definition and core components

Definition (ATS/ERS)Pulmonary rehabilitation is a comprehensive intervention based on a thorough patient assessment followed by patient‑tailored therapies including, but not limited to, exercise training, education, and behavior change.

Primary goalsImprove patient functioning and quality of life in individuals with compromised lung function.

Core componentsThorough patient assessment; individualized exercise training; education (self‑management, disease education); behavior change strategies.

Multidisciplinary approachDelivered by a team that may include physicians, respiratory therapists, physical therapists, nurses, and other trained rehabilitation staff to address medical, physical, and psychosocial needs.

Pulmonary rehabilitation (outpatient, home-based, repeat/maintenance) — definition and context