Does D13.91 require prior authorization?

No, D13.91 does not require prior authorization (high confidence). Code is covered without prior authorization.

`D13.91` — Familial adenomatous polyposis

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

The medical record must document the medical reasonableness, necessity, and clinical frequency of the diagnostic colonoscopy or sigmoidoscopy and be available to the Contractor upon request.
Documentation must indicate the precise areas scoped and the depth reached during colonoscopy.
Refer to associated LCD L34614 and Medicare IOM for additional coverage and documentation guidance for colorectal cancer screening procedures.
For CID codes (T38.895*/T43.215*/T43.225*/T50.995*), the medical record must document the specific chemotherapy agent(s) causing the diarrhea and prior antidiarrheal treatments that have been ineffective.

Diagnostic colonoscopy or sigmoidoscopy is covered to directly visualize the lower gastrointestinal tract (colon, rectum, sigmoid) to detect polyps, tumors, or other intestinal lesions.
Diagnostic colonoscopy is covered when identification of the site of pathology and/or obtaining a biopsy during the procedure is clinically indicated.
A follow-on screening colonoscopy is covered after a positive covered blood-based biomarker noninvasive colorectal cancer (CRC) screening test per NCD 210.3, effective 2025-01-01.
Octreotide is covered for chemotherapy-induced diarrhea (CID) when claim includes ICD-10-CM codes T38.895A/T38.895D/T38.895S, T43.215A/T43.215D/T43.215S, T43.225A/T43.225D/T43.225S, or T50.995A/T50.995D/T50.995S and the medical record documents the chemotherapy agent(s) causing the CID and prior antidiarrheal treatments that became ineffective.
Octreotide is covered for treatment of VIPoma when claim includes ICD-10-CM codes C25.4, C26.0, D13.7, D13.91, or D13.99 and the medical record documents that the patient’s diagnosis is VIPoma.
Octreotide may be considered when ICD-10-CM code R79.89 is submitted if the medical record documents abnormal clinical or laboratory findings that led to suspicion of VIPoma.

A56394 — Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic

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A58756 — Billing and Coding: MolDX: Lab-Developed Tests for Inherited Cancer Syndromes in Patients with Cancer

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L34614 — Colonoscopy and Sigmoidoscopy-Diagnostic

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L39040 — MolDX: Lab-Developed Tests for Inherited Cancer Syndromes in Patients with Cancer

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Ask Verity about documentation requirements, denial risks, or coverage in your state.