G9836 – Reason for not administering trastuzumab documented (e.g. patient declined, patient died, patient transferred, contraindication or other clinical exclusion, neoadjuvant chemotherapy or radiation not complete)
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG9836
- Long description
- Reason for not administering trastuzumab documented (e.g. patient declined, patient died, patient transferred, contraindication or other clinical exclusion, neoadjuvant chemotherapy or radiation not complete)
- Short description
- Rsn no trast given doc
- 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, 2017
- Last change
- January 1, 2021 – No change
- Termination date
- December 31, 2020
Frequently asked questions
What is HCPCS code G9836?
G9836 is a HCPCS Level II code for reason for not administering trastuzumab documented (e.g. patient declined, patient died, patient transferred, contraindication or other clinical exclusion, neoadjuvant chemotherapy or radiation not complete). It was discontinued on December 31, 2020.
Does Medicare cover G9836?
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
- G9828 – Her2-targeted therapies administered during the initial course of treatment
- G9829 – Breast adjuvant chemotherapy administered
- G9830 – Her-2/neu positive
- G9831 – Ajcc stage at breast cancer diagnosis = ii or iii
- G9832 – Ajcc stage at breast cancer diagnosis = i (ia or ib) and t-stage at breast cancer diagnosis = t1c
- G9833 – Patient transfer to practice after initiation of chemotherapy
- G9834 – Patient has metastatic disease at diagnosis
- G9835 – Trastuzumab administered within 12 months of diagnosis
- G9837 – Trastuzumab not administered within 12 months of diagnosis
- G9838 – Patient has metastatic disease at diagnosis
- G9839 – Anti-egfr monoclonal antibody therapy
- G9840 – Ras (kras and nras) gene mutation testing performed before initiation of anti-egfr moab
- G9841 – Ras (kras and nras) gene mutation testing not performed before initiation of anti-egfr moab
- G9842 – Patient has metastatic disease at diagnosis
- G9843 – Ras (kras or nras) gene mutation
- G9844 – Patient did not receive anti-egfr monoclonal antibody therapy
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.