G9431 – Pathology report does not include the pt category, thickness, ulceration and mitotic rate, peripheral and deep margin status and presence or absence of microsatellitosis for invasive tumors

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Carrier judgment

HCPCS codeG9431
Long description
Pathology report does not include the pt category, thickness, ulceration and mitotic rate, peripheral and deep margin status and presence or absence of microsatellitosis for invasive tumors
Short description
Patho rpt no pt ctg
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
Z2 Undefined codes
Added
January 1, 2015
Last change
January 1, 2022 – No change

Frequently asked questions

What is HCPCS code G9431?

G9431 is a HCPCS Level II code for pathology report does not include the pt category, thickness, ulceration and mitotic rate, peripheral and deep margin status and presence or absence of microsatellitosis for invasive tumors.

Does Medicare cover G9431?

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

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.