G0424 — Pulmonary rehabilitation, including exercise (includes monitoring), one hour, per session, up to two sessions per day
G0424 is a HCPCS Level II code for pulmonary rehabilitation, including exercise (includes monitoring), one hour, per session, up to two sessions per day. It belongs to the Procedures and Professional Services (Temporary) section. It was terminated on December 31, 2021 and is not valid on new claims.
This code has been terminated
CMS terminated G0424 on December 31, 2021. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
The CMS record for G0424
- Long descriptor
- Pulmonary rehabilitation, including exercise (includes monitoring), one hour, per session, up to two sessions per day
- Short descriptor
- Pulmonary rehab w exer
- Added
- January 1, 2010
- Terminated
- December 31, 2021
- BETOS
- M5D
- Pricing indicator
- 11 — Physician fee schedule
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
When CMS retired it.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Price established using national RVUs.
Codes adjacent to G0424
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G0424 is not quite right, the correct code is very often within a few positions of it.
- G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method
- G0417Surgical pathology, gross and microscopic examination, for prostate needle biopsy, any method, 21-40 specimensterminated
- G0418Surgical pathology, gross and microscopic examination, for prostate needle biopsy, any method, 41-60 specimensterminated
- G0419Surgical pathology, gross and microscopic examination, for prostate needle biopsy, any method, >60 specimensterminated
- G0420Face-to-face educational services related to the care of chronic kidney disease; individual, per session, per one hour
- G0421Face-to-face educational services related to the care of chronic kidney disease; group, per session, per one hour
- G0422Intensive cardiac rehabilitation; with or without continuous ecg monitoring with exercise, per session
- G0423Intensive cardiac rehabilitation; with or without continuous ecg monitoring; without exercise, per session
- G0425Telehealth consultation, emergency department or initial inpatient, typically 30 minutes communicating with the patient via telehealth
- G0426Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth
- G0427Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth
- G0428Collagen meniscus implant procedure for filling meniscal defects (e.g., cmi, collagen scaffold, menaflex)
- G0429Dermal filler injection(s) for the treatment of facial lipodystrophy syndrome (lds) (e.g., as a result of highly active antiretroviral therapy)
- G0431Drug screen, qualitative; multiple drug classes by high complexity test method (e.g., immunoassay, enzyme assay), per patient encounterterminated
- G0432Infectious agent antibody detection by enzyme immunoassay (eia) technique, hiv-1 and/or hiv-2, screening
- G0433Infectious agent antibody detection by enzyme-linked immunosorbent assay (elisa) technique, hiv-1 and/or hiv-2, screening
Questions about G0424
What is HCPCS code G0424?
G0424 is a HCPCS Level II code for pulmonary rehabilitation, including exercise (includes monitoring), one hour, per session, up to two sessions per day. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G0424?
The CMS HCPCS file marks G0424 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
Is G0424 still valid?
No. G0424 was terminated on December 31, 2021 and should not be used on new claims.