G0277 – Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Special coverage instructions apply

HCPCS codeG0277
Long description
Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval
Short description
Hbot, full body chamber, 30m
Pricing indicator
13 Priced by the Medicare contractor (carrier)
Medicare coverage
D Special coverage instructions apply
BETOS category
P5E Ambulatory procedures - other
Added
January 1, 2015
Last change
January 1, 2015 – No change

Frequently asked questions

What is HCPCS code G0277?

G0277 is a HCPCS Level II code for hyperbaric oxygen under pressure, full body chamber, per 30 minute interval.

Does Medicare cover G0277?

The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.