G0461 Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stain

Short descriptor: Immunohisto/cyto chem 1st st

⚠ Terminated HCPCS Level II 2026
Terminated Code
G0461 was terminated as of 2014-12-31 and should not be reported for dates of service after that date. This page is retained for historical reference.
Open G0461 in the app →

Look up G0461 alongside ICD-10-CM diagnoses, the HCPCS Table of Drugs, and the AI coding assistant.

G0461 is the HCPCS Level II code for Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stain (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Priced by carriers (physician fee schedule).

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
Priced by carriers (physician fee schedule) (indicator 13)
Type of Service
Diagnostic laboratory
Effective Date
2015-01-01
Termination Date
2014-12-31
2026 Maintenance
No change this year

References

Cite This Page

Reference G0461 with the canonical source and edition:

G0461 — Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stain. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G0461

Canonical URL: https://icd10codingpro.com/hcpcs-codes/G0461

Related Codes in Section G

Browse all HCPCS Level II sections →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial