G0039 HCPCS Level II code: Patient not referred, reason not otherwise specified
G0039 is the HCPCS code for “Patient not referred, reason not otherwise specified” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G0039Patient not referred, reason not otherwise specified
Short description: Pt no ref, rn spec
HCPCS · United States
Medicare details
The indicators CMS publishes with G0039 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2022
Where G0039 sits
- 1G codesProcedures and professional services
- 2Active code G0039Patient not referred, reason not otherwise specified
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 G0039 mean?
G0039 is the HCPCS code for “Patient not referred, reason not otherwise specified” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G0039?
CMS lists G0039’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. 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 G0039
All G codesG0033Two or more benzodiazepine prescriptions ordered for patients who had a diagnosis of seizure disorders, rapid eye movement sleep behavior disorder, benzodiazepine withdrawal…G0034Patients receiving palliative care during the measurement periodG0035Patient has any emergency department encounter during the performance period with place of service indicator 23G0036Patient or care partner decline assessmentG0037On date of encounter, patient is not able to participate in assessment or screening, including non-verbal patients, delirious, severely aphasic, severely developmentally delayed…G0038Clinician determines patient does not require referralG0040Patient already receiving physical/occupational/speech/recreational therapy during the measurement periodG0041Patient and/or care partner decline referralG0042Referral to physical, occupational, speech, or recreational therapyG0043Patients with mechanical prosthetic heart valveG0044Patients with moderate or severe mitral stenosisG0045Clinical follow-up and mrs score assessed at 90 days following endovascular stroke intervention