G9123 HCPCS Level II Code: 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…
Medicare Coverage & Payment
- CMS short descriptor: Onc dx cml chronic phase
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: P7B — Oncology - other
- Last CMS action effective: January 1, 2007
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Contextual Map
Every relationship of G9123 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Nearest codes (40)
- G9100 — Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; post r0 resection (with or without neoadjuvant therapy) with no evidence of disease recurrence, progression, or metastases (for use in a medicare-approved demonstration project)[Sibling]
- G9101 — Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; post r1 or r2 resection (with or without neoadjuvant therapy) with no evidence of disease progression, or metastases (for use in a medicare-approved demonstration project)[Sibling]
- G9102 — Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; clinical or pathologic m0, unresectable with no evidence of disease progression, or metastases (for use in a medicare-approved demonstration project)[Sibling]
- G9103 — Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; clinical or pathologic m1 at diagnosis, metastatic, locally recurrent, or progressive (for use in a medicare-approved demonstration project)[Sibling]
- G9104 — Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)[Sibling]
- G9105 — Oncology; disease status; pancreatic cancer, limited to adenocarcinoma as predominant cell type; post r0 resection without evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)[Sibling]
- G9106 — Oncology; disease status; pancreatic cancer, limited to adenocarcinoma; post r1 or r2 resection with no evidence of disease progression, or metastases (for use in a medicare-approved demonstration project)[Sibling]
- G9107 — Oncology; disease status; pancreatic cancer, limited to adenocarcinoma; unresectable at diagnosis, m1 at diagnosis, metastatic, locally recurrent, or progressive (for use in a medicare-approved demonstration project)[Sibling]
- and 32 more
Change history
- January 1, 2006 — Added to the code set [Change history]
Sources for this page
Every coding fact on this page is read from the datasets below. Nothing is AI-generated; MedCoder-derived relationships and editorial are labelled where they appear.
- Code, descriptors, coverage and pricing attributes
- CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update
- Change history and date-of-service validity
- CMS HCPCS quarterly update files, ingested into the change ledger
- Comparisons, relationships and the contextual map MedCoder-derived
- Derived by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
Change history
- January 1, 2006Added to the code setOncology; 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)
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G9123 in its code family, with their registry titles.
- G9113 — Oncology; disease status; ovarian cancer, limited to epithelial cancer; pathologic stage ia-b (grade 1) without evidence of disease progression, recurrence, or metastases (for use in a…
- 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,…
- 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…
- 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…
- 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)
- 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…
- 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…
- 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…
- G9128 — Oncology; disease status; limited to multiple myeloma, systemic disease; smoldering, stage i (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)