Does K55.021 require prior authorization?

No, K55.021 does not require prior authorization (high confidence). Code is covered without prior authorization.

`K55.021` — Focal (segmental) acute infarction of small intestine

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.
All documentation must be maintained in the patient's medical record and made available to the contractor upon request.

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.
CPT code 93355 is used to report transesophageal echocardiography (TEE) performed during transcatheter intracardiac therapies.
When contrast is used for a complete TEE procedure (probe placement, image acquisition, interpretation and report), bill CPT code 93312 (HCPCS C8925 for OPPS billing).
For congenital anomalies, use CPT code 93315 (HCPCS C8926 for OPPS billing) for the complete contrast TEE procedure.

A57591 — Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies

J05

A57590 — Billing and Coding: Non-Coronary Vascular Stents

J05

L35755 — Non-Invasive Abdominal / Visceral Vascular Studies

J05

L35998 — Non-Coronary Vascular Stents

J05

L34614

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