G8879 HCPCS Level II Code: Clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer
Medicare Coverage & Payment
- CMS short descriptor: Node neg inv brst cncr
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: M5B — Specialist - psychiatry
- Last CMS action effective: January 1, 2018
- Terminated: December 31, 2017
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.
Code Set: Removed from the code set — not valid on or after January 1, 2018.
Contextual Map
Every relationship of G8879 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)
- G8859 — Patient receiving corticosteroids greater than or equal to 10mg/day for 60 or greater consecutive days[Sibling]— CMS HCPCS Level II code set
- G8860 — Patients who have received dose of corticosteroids greater than or equal to 10mg/day for 60 or greater consecutive days[Sibling]— CMS HCPCS Level II code set
- G8861 — Within the past 2 years, central dual-energy x-ray absorptiometry (dxa) ordered and documented, review of systems and medication history or pharmacologic therapy (other than minerals/vitamins) for osteoporosis prescribed[Sibling]— CMS HCPCS Level II code set
- G8862 — Patients not receiving corticosteroids greater than or equal to 10mg/day for 60 or greater consecutive days[Sibling]— CMS HCPCS Level II code set
- G8863 — Patients not assessed for risk of bone loss, reason not given[Sibling]— CMS HCPCS Level II code set
- G8864 — Pneumococcal vaccine administered or previously received[Sibling]— CMS HCPCS Level II code set
- G8865 — Documentation of medical reason(s) for not administering or previously receiving pneumococcal vaccine (e.g., patient allergic reaction, potential adverse drug reaction)[Sibling]— CMS HCPCS Level II code set
- G8866 — Documentation of patient reason(s) for not administering or previously receiving pneumococcal vaccine (e.g., patient refusal)[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history (2)
- January 1, 2018 — Removed from the code set [Change history]— CMS release files (code change ledger)
- and 1 more
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, descriptors, coverage and pricing attributes Official source data
- CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- January 1, 2018Removed from the code setClinically node negative (t1n0m0 or t2n0m0) invasive breast cancer
- January 1, 2012Added to the code setClinically node negative (t1n0m0 or t2n0m0) invasive breast cancer
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G8879 in its code family, with their registry titles.
- G8874 — Excised tissue not evaluated by imaging intraoperatively to confirm successful inclusion of targeted lesion
- G8875 — Clinician diagnosed breast cancer preoperatively by a minimally invasive biopsy method
- G8876 — Documentation of reason(s) for not performing minimally invasive biopsy to diagnose breast cancer preoperatively (e.g., lesion too close to skin, implant, chest wall, etc., lesion could not be…
- G8877 — Clinician did not attempt to achieve the diagnosis of breast cancer preoperatively by a minimally invasive biopsy method, reason not given
- G8878 — Sentinel lymph node biopsy procedure performed
- G8880 — Documentation of reason(s) sentinel lymph node biopsy not performed (e.g., reasons could include but not limited to; non-invasive cancer, incidental discovery of breast cancer on prophylactic…
- G8881 — Stage of breast cancer is greater than t1n0m0 or t2n0m0
- G8882 — Sentinel lymph node biopsy procedure not performed, reason not given
- G8883 — Biopsy results reviewed, communicated, tracked and documented
- G8884 — Clinician documented reason that patient's biopsy results were not reviewed