G9506 – Biologic immune response modifier prescribed
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG9506
- Long description
- Biologic immune response modifier prescribed
- Short description
- Bio imm resp mod presc
- 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
Z2Undefined codes- Added
- January 1, 2016
- Last change
- January 1, 2023 – No change
- Termination date
- December 31, 2022
Frequently asked questions
What is HCPCS code G9506?
G9506 is a HCPCS Level II code for biologic immune response modifier prescribed. It was discontinued on December 31, 2022.
Does Medicare cover G9506?
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
- G9498 – Antibiotic regimen prescribed
- G9499 – Patient did not start or is not receiving antiviral treatment for hepatitis c during the measurement period
- G9500 – Radiation exposure indices documented in final report for procedure using fluoroscopy
- G9501 – Radiation exposure indices not documented in final report for procedure using fluoroscopy, reason not given
- G9502 – Documentation of medical reason for not performing foot exam (i.e., patients who have had either a bilateral amputation above or below the knee, or both a left and right amputation above or below the knee before or during the measurement period)
- G9503 – Patient taking tamsulosin hydrochloride
- G9504 – Documented reason for not assessing hepatitis b virus (hbv) status (e.g., patient not initiating anti-tnf therapy, patient declined) prior to initiating anti-tnf therapy
- G9505 – Antibiotic regimen prescribed within 10 days after onset of symptoms for documented medical reason
- G9507 – Documentation that the patient is on a statin medication or has documentation of a valid contraindication or exception to statin medications; contraindications/exceptions that can be defined by diagnosis codes include pregnancy during the measurement period, active liver disease, rhabdomyolysis, end stage renal disease on dialysis and heart failure; provider documented contraindications/exceptions include breastfeeding during the measurement period, woman of child-bearing age not actively taking birth control, allergy to statin, drug interaction (hiv protease inhibitors, nefazodone, cyclosporine, gemfibrozil, and danazol) and intolerance (with supporting documentation of trying a statin at least once within the last 5 years or diagnosis codes for myostitis or toxic myopathy related to drugs)
- G9508 – Documentation that the patient is not on a statin medication
- G9509 – Adult patients 18 years of age or older with major depression or dysthymia who reached remission at twelve months as demonstrated by a twelve month (+/-60 days) phq-9 or phq-9m score of less than 5
- G9510 – Adult patients 18 years of age or older with major depression or dysthymia who did not reach remission at twelve months as demonstrated by a twelve month (+/-60 days) phq-9 or phq-9m score of less than 5. either phq- 9 or phq-9m score was not assessed or is greater than or equal to 5
- G9511 – Index event date phq-9 or phq-9m score greater than 9 documented during the twelve month denominator identification period
- G9512 – Individual had a pdc of 0.8 or greater
- G9513 – Individual did not have a pdc of 0.8 or greater
- G9514 – Patient required a return to the operating room within 90 days of surgery
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.