G9309 – No unplanned hospital readmission within 30 days of principal procedure
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG9309
- Long description
- No unplanned hospital readmission within 30 days of principal procedure
- Short description
- No unplnd hosp readm in 30d
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
M5BSpecialist - psychiatry- Added
- January 1, 2014
- Last change
- January 1, 2014 – No change
Frequently asked questions
What is HCPCS code G9309?
G9309 is a HCPCS Level II code for no unplanned hospital readmission within 30 days of principal procedure.
Does Medicare cover G9309?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby G codes
- G9301 – Patients who had the prophylactic antibiotic completely infused prior to the inflation of the proximal tourniquet
- G9302 – Prophylactic antibiotic not completely infused prior to the inflation of the proximal tourniquet, reason not given
- G9303 – Operative report does not identify the prosthetic implant specifications including the prosthetic implant manufacturer, the brand name of the prosthetic implant and the size of each prosthetic implant, reason not given
- G9304 – Operative report identifies the prosthetic implant specifications including the prosthetic implant manufacturer, the brand name of the prosthetic implant and the size of each prosthetic implant
- G9305 – Intervention for presence of leak of endoluminal contents through an anastomosis not required
- G9306 – Intervention for presence of leak of endoluminal contents through an anastomosis required
- G9307 – No return to the operating room for a surgical procedure, for complications of the principal operative procedure, within 30 days of the principal operative procedure
- G9308 – Unplanned return to the operating room for a surgical procedure, for complications of the principal operative procedure, within 30 days of the principal operative procedure
- G9310 – Unplanned hospital readmission within 30 days of principal procedure
- G9311 – No surgical site infection
- G9312 – Surgical site infection
- G9313 – Amoxicillin, with or without clavulanate, not prescribed as first line antibiotic at the time of diagnosis for documented reason
- G9314 – Amoxicillin, with or without clavulanate, not prescribed as first line antibiotic at the time of diagnosis, reason not given
- G9315 – Amoxicillin, with or without clavulanate, prescribed as a first line antibiotic at the time of diagnosis
- G9316 – Documentation of patient-specific risk assessment with a risk calculator based on multi-institutional clinical data, the specific risk calculator used, and communication of risk assessment from risk calculator with the patient or family
- G9317 – Documentation of patient-specific risk assessment with a risk calculator based on multi-institutional clinical data, the specific risk calculator used, and communication of risk assessment from risk calculator with the patient or family not completed
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.