G9128 – Oncology; disease status; limited to multiple myeloma, systemic disease; smoldering, stage i (for use in a medicare-approved demonstration project)
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG9128
- Long description
- Oncology; disease status; limited to multiple myeloma, systemic disease; smoldering, stage i (for use in a medicare-approved demonstration project)
- Short description
- Onc dx multi myeloma stage i
- 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
P7BOncology - other- Added
- January 1, 2006
- Last change
- January 1, 2007 – No change
Frequently asked questions
What is HCPCS code G9128?
G9128 is a HCPCS Level II code for oncology; disease status; limited to multiple myeloma, systemic disease; smoldering, stage i (for use in a medicare-approved demonstration project).
Does Medicare cover G9128?
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
- G9114 – Oncology; disease status; ovarian cancer, limited to epithelial cancer; pathologic stage ia-b (grade 2-3); or stage ic (all grades); or stage ii; without evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9115 – Oncology; disease status; ovarian cancer, limited to epithelial cancer; pathologic stage iii-iv; without evidence of progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9116 – Oncology; disease status; ovarian cancer, limited to epithelial cancer; evidence of disease progression, or recurrence, and/or platinum resistance (for use in a medicare-approved demonstration project)
- G9117 – Oncology; disease status; ovarian cancer, limited to epithelial cancer; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)
- G9123 – Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; chronic phase not in hematologic, cytogenetic, or molecular remission (for use in a medicare-approved demonstration project)
- G9124 – Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; accelerated phase not in hematologic cytogenetic, or molecular remission (for use in a medicare-approved demonstration project)
- G9125 – Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; blast phase not in hematologic, cytogenetic, or molecular remission (for use in a medicare-approved demonstration project)
- G9126 – Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; in hematologic, cytogenetic, or molecular remission (for use in a medicare-approved demonstration project)
- G9129 – Oncology; disease status; limited to multiple myeloma, systemic disease; stage ii or higher (for use in a medicare-approved demonstration project)
- G9130 – Oncology; disease status; limited to multiple myeloma, systemic disease; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)
- G9131 – Oncology; disease status; invasive female breast cancer (does not include ductal carcinoma in situ); adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)
- G9132 – Oncology; disease status; prostate cancer, limited to adenocarcinoma; hormone-refractory/androgen-independent (e.g., rising psa on anti-androgen therapy or post-orchiectomy); clinical metastases (for use in a medicare-approved demonstration project)
- G9133 – Oncology; disease status; prostate cancer, limited to adenocarcinoma; hormone-responsive; clinical metastases or m1 at diagnosis (for use in a medicare-approved demonstration project)
- G9134 – Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; stage i, ii at diagnosis, not relapsed, not refractory (for use in a medicare-approved demonstration project)
- G9135 – Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; stage iii, iv, not relapsed, not refractory (for use in a medicare-approved demonstration project)
- G9136 – Oncology; disease status; non-hodgkin's lymphoma, transformed from original cellular diagnosis to a second cellular classification (for use in a medicare-approved demonstration project)
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.