HCPCS Level II · Procedures and professional services (temporary)
G0277Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval
✓ Active
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G0277
G0277 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing hyperbaric oxygen under pressure, full body chamber, per 30 minute interval.
It was added to HCPCS effective 01/01/2015.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
Details
- Short description
- Hbot, full body chamber, 30m
- Date added
- 01/01/2015
- Action effective
- 01/01/2015
- BETOS
- P5E
Related G02xx codes
- G0219Pet imaging whole body; melanoma for non-covered indications
- G0235Pet imaging, any site, not otherwise specified
- G0237Therapeutic procedures to increase strength or endurance of respiratory muscles, face to face, one on one, each 15 minutes (includes monitoring)
- G0238Therapeutic procedures to improve respiratory function, other than described by g0237, one on one, face to face, per 15 minutes (includes monitoring)
- G0239Therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles, two or more individuals (includes monitoring)
- G0245Initial physician evaluation and management of a diabetic patient with diabetic sensory neuropathy resulting in a loss of protective sensation (lops) which must include: (1) the diagnosis of lops, (2) a patient history, (3) a physical examination that consists of at least the following elements: (a) visual inspection of the forefoot, hindfoot and toe web spaces, (b) evaluation of a protective sensation, (c) evaluation of foot structure and biomechanics, (d) evaluation of vascular status and skin integrity, and (e) evaluation and recommendation of footwear and (4) patient education
- G0246Follow-up physician evaluation and management of a diabetic patient with diabetic sensory neuropathy resulting in a loss of protective sensation (lops) to include at least the following: (1) a patient history, (2) a physical examination that includes: (a) visual inspection of the forefoot, hindfoot and toe web spaces, (b) evaluation of protective sensation, (c) evaluation of foot structure and biomechanics, (d) evaluation of vascular status and skin integrity, and (e) evaluation and recommendation of footwear, and (3) patient education
- G0247Routine foot care by a physician of a diabetic patient with diabetic sensory neuropathy resulting in a loss of protective sensation (lops) to include, the local care of superficial wounds (i.e. superficial to muscle and fascia) and at least the following if present: (1) local care of superficial wounds, (2) debridement of corns and calluses, and (3) trimming and debridement of nails
- G0248Demonstration, prior to initiation of home inr monitoring, for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria, under the direction of a physician; includes: face-to-face demonstration of use and care of the inr monitor, obtaining at least one blood sample, provision of instructions for reporting home inr test results, and documentation of patient's ability to perform testing and report results
- G0249Provision of test materials and equipment for home inr monitoring of patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; includes: provision of materials for use in the home and reporting of test results to physician; testing not occurring more frequently than once a week; testing materials, billing units of service include 4 tests
- G0250Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequently than once a week; billing units of service include 4 tests
- G0252Pet imaging, full and partial-ring pet scanners only, for initial diagnosis of breast cancer and/or surgical planning for breast cancer (e.g., initial staging of axillary lymph nodes)
Common questions about G0277
Is HCPCS G0277 still valid?
- Yes. G0277 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G0277?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.