G8946 – Minimally invasive biopsy method attempted but not diagnostic of breast cancer (e.g., high risk lesion of breast such as atypical ductal hyperplasia, lobular neoplasia, atypical lobular hyperplasia, lobular carcinoma in situ, atypical columnar hyperplasia, flat epithelial atypia, radial scar, complex sclerosing lesion, papillary lesion, or any lesion with spindle cells)
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
- Long description
- Minimally invasive biopsy method attempted but not diagnostic of breast cancer (e.g., high risk lesion of breast such as atypical ductal hyperplasia, lobular neoplasia, atypical lobular hyperplasia, lobular carcinoma in situ, atypical columnar hyperplasia, flat epithelial atypia, radial scar, complex sclerosing lesion, papillary lesion, or any lesion with spindle cells)
- Short description
- Mibm but no dx of breast ca
- 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
M5BSpecialist - psychiatry- Added
- January 1, 2013
- Last change
- January 1, 2014 – No change
Frequently asked questions
What is HCPCS code G8946?
G8946 is a HCPCS Level II code for minimally invasive biopsy method attempted but not diagnostic of breast cancer (e.g., high risk lesion of breast such as atypical ductal hyperplasia, lobular neoplasia, atypical lobular hyperplasia, lobular carcinoma in situ, atypical columnar hyperplasia, flat epithelial atypia, radial scar, complex sclerosing lesion, papillary lesion, or any lesion with spindle cells).
Does Medicare cover G8946?
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
- G8937 – Clinician did not prescribe angiotensin converting enzyme (ace) inhibitor or angiotensin receptor blocker (arb) therapy, reason not given
- G8938 – Bmi is documented as being outside of normal parameters, follow-up plan is not documented, documentation the patient is not eligible
- G8939 – Pain assessment documented as positive, follow-up plan not documented, documentation the patient is not eligible at the time of the encounter
- G8940 – Screening for depression documented as positive, a follow-up plan not completed, documented reason
- G8941 – Elder maltreatment screen documented as positive, follow-up plan not documented, documentation the patient is not eligible for follow-up plan at the time of the encounter
- G8942 – Functional outcome assessment using a standardized tool is documented within the previous 30 days and a care plan, based on identified deficiencies is documented within two days of the functional outcome assessment
- G8943 – Ldl-c result not present or not within 12 months prior
- G8944 – Ajcc melanoma cancer stage 0 through iic melanoma
- G8947 – One or more neuropsychiatric symptoms
- G8948 – No neuropsychiatric symptoms
- G8949 – Documentation of patient reason(s) for patient not receiving counseling for diet and physical activity (e.g., patient is not willing to discuss diet or exercise interventions to help control blood pressure, or the patient said he/she refused to make these changes)
- G8950 – Elevated or hypertensive blood pressure reading documented, and the indicated follow-up is documented
- G8951 – Pre-hypertensive or hypertensive blood pressure reading documented, indicated follow-up not documented, documentation the patient is not eligible
- G8952 – Elevated or hypertensive blood pressure reading documented, indicated follow-up not documented, reason not given
- G8953 – All quality actions for the applicable measures in the oncology measures group have been performed for this patient
- G8955 – Most recent assessment of adequacy of volume management documented
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.