M1181 Gr 2 or> dia or gr2 or> colGrade 2 or above diarrhea and/or grade 2 or above colitis
Status M: measurement code, reporting only.
Prior authorization required or conditional in IN.
From payers' published prior-auth lists, coverage policies and state Medicaid fee schedules, updated Oct 16, 2026. The role is what the policy's own code table or text says about the code. Not a guarantee of coverage or payment; verify with the payer. CPT® is a registered trademark of the American Medical Association.