G8878 – Sentinel lymph node biopsy procedure performed
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG8878
- Long description
- Sentinel lymph node biopsy procedure performed
- Short description
- Sent lymph node biopsy
- 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, 2012
- Last change
- January 1, 2012 – No change
Frequently asked questions
What is HCPCS code G8878?
G8878 is a HCPCS Level II code for sentinel lymph node biopsy procedure performed.
Does Medicare cover G8878?
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
- G8870 – Hepatitis b vaccine injection administered or previously received and is receiving a first course of anti-tnf therapy
- G8871 – Patient not receiving a first course of anti-tnf therapy
- G8872 – Excised tissue evaluated by imaging intraoperatively to confirm successful inclusion of targeted lesion
- G8873 – Patients with needle localization specimens which are not amenable to intraoperative imaging such as mri needle wire localization, or targets which are tentatively identified on mammogram or ultrasound which do not contain a biopsy marker but which can be verified on intraoperative inspection or pathology (e.g., needle biopsy site where the biopsy marker is remote from the actual biopsy site)
- 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 adequately visualized for needle biopsy, patient condition prevents needle biopsy [weight, breast thickness, etc.], duct excision without imaging abnormality, prophylactic mastectomy, reduction mammoplasty, excisional biopsy performed by another physician)
- G8877 – Clinician did not attempt to achieve the diagnosis of breast cancer preoperatively by a minimally invasive biopsy method, reason not given
- G8879 – Clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer
- 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 mastectomy, incidental discovery of breast cancer on reduction mammoplasty, pre-operative biopsy proven lymph node (ln) metastases, inflammatory carcinoma, stage 3 locally advanced cancer, recurrent invasive breast cancer, clinically node positive after neoadjuvant systemic therapy, patient refusal after informed consent, patient with significant age, comorbidities, or limited life expectancy and favorable tumor; adjuvant systemic therapy unlikely to change)
- 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
- G8885 – Biopsy results not reviewed, communicated, tracked or documented
- G8886 – Most recent blood pressure under control
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.