HCPCS Code M1181

Grade 2 or above diarrhea and/or grade 2 or above colitis
Code effective Jan 01, 2023

HCPCS Section
Medical services

M1181 is a valid 2026 HCPCS code meaning Grade 2 or above diarrhea and/or grade 2 or above colitis or (Gr 2 or> dia or gr2 or> col) for short. HCPCS M1181 has been effective since 01/01/2023 and applies to Medical care.


HCPCS Code Details - M1181

HCPCS Level II Code
Section M - Medical services
HCPCS Code M1181
Description

Long description:
Grade 2 or above diarrhea and/or grade 2 or above colitis

Short description:
Gr 2 or> dia or gr2 or> col

HCPCS Pricing indicator 00 - Physician Fee Schedule And Non-Physician Practitioners - Service not separately priced by part B (e.g., services not covered, bundled, used by Part A only, etc.)
Multiple pricing indicator 9 - Not applicable as HCPCS not priced separately by part B or value is not established
Coverage code C - Carrier judgment
BETOS2 code Z2 - Undefined codes
HCPCS Action code N - No maintenance for this code
Type of service 1 - Medical care
Effective date Effective Jan 01, 2023
Date added Added Jan 01, 2023

See also

  • HCPCS M1180 · Patients on immune checkpoint inhibitor therapy

  • HCPCS M1182 · Patients not eligible due to pre-existing inflammatory bowel disease (ibd) (e.g., ulcerative colitis, crohn's disease)

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”


HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026

CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.