G0277 HCPCS Level II code: Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval
G0277 is the HCPCS code for “Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G0277Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval
Short description: Hbot, full body chamber, 30m
HCPCS · United States
Notes for G0277
As CMS prints them, with any note G0277 takes from the headings above it.
Note
- CMS processing note 0200: TECHNICAL TREATMENT AND DELIVERY OF HBOT, PHYSICIAN SUPERVISION CODE 99183.
Medicare details
The indicators CMS publishes with G0277 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion)
- Type of service
- Medical care
- BETOS category
- Ambulatory procedures - other
- Added
- Jan 1, 2015
Where G0277 sits
- 1G codesProcedures and professional services
- 2Active code G0277Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code G0277 mean?
G0277 is the HCPCS code for “Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G0277?
CMS lists G0277’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G0277
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