G9309 HCPCS Level II code: No unplanned hospital readmission within 30 days of principal procedure
G9309 is the HCPCS code for “No unplanned hospital readmission within 30 days of principal procedure” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G9309No unplanned hospital readmission within 30 days of principal procedure
Short description: No unplnd hosp readm in 30d
HCPCS · United States
Medicare details
The indicators CMS publishes with G9309 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
- Specialist - psychiatry
- Added
- Jan 1, 2014
Where G9309 sits
- 1G codesProcedures and professional services
- 2Active code G9309No unplanned hospital readmission within 30 days of principal procedure
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 G9309 mean?
G9309 is the HCPCS code for “No unplanned hospital readmission within 30 days of principal procedure” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G9309?
CMS lists G9309’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 G9309
All G codesG9303Operative report does not identify the prosthetic implant specifications including the prosthetic implant manufacturer, the brand name of the prosthetic implant and the size of…G9304Operative report identifies the prosthetic implant specifications including the prosthetic implant manufacturer, the brand name of the prosthetic implant and the size of each…G9305Intervention for presence of leak of endoluminal contents through an anastomosis not requiredG9306Intervention for presence of leak of endoluminal contents through an anastomosis requiredG9307No return to the operating room for a surgical procedure, for complications of the principal operative procedure, within 30 days of the principal operative procedureG9308Unplanned return to the operating room for a surgical procedure, for complications of the principal operative procedure, within 30 days of the principal operative procedureG9310Unplanned hospital readmission within 30 days of principal procedureG9311No surgical site infectionG9312Surgical site infectionG9313Amoxicillin, with or without clavulanate, not prescribed as first line antibiotic at the time of diagnosis for documented reasonG9314Amoxicillin, with or without clavulanate, not prescribed as first line antibiotic at the time of diagnosis, reason not givenG9315Amoxicillin, with or without clavulanate, prescribed as a first line antibiotic at the time of diagnosis