S15.022S — Major laceration of left carotid artery, sequela
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- When billing these procedures after carotid endarterectomy, include the surgery date and the phrase 'carotid endarterectomy' in the claim narrative.
- When reporting a reduced (unilateral/limited) service, append modifier -52 and include an explanation of the reduced service in Item 19 of the CMS-1500 form or electronic equivalent; any appropriate supporting documentation may be submitted with the claim.
- Follow Novitas LCD L35397 for the reasonable and necessary documentation requirements and frequency limitations, and consult NCCI edits for correct coding combinations prior to billing Medicare.
- Maintain all documentation in the patient’s medical record; every page must be legible, include patient identification (e.g., full name, dates of service), and be made available to the contractor upon request.
Key Coverage Criteria
- Non-invasive cerebrovascular arterial studies are covered when reasonable and necessary as defined by Novitas Local Coverage Determination (LCD) L35397.
- Duplex post-interventional follow-up studies (typically limited and unilateral) are covered for evaluation after cerebrovascular intervention.
- Vascular studies performed after carotid endarterectomy are covered when the claim includes the procedure date and the narrative 'carotid endarterectomy.'
- Speech-language pathology (SLP) services for treatment or evaluation of communication disorders when determined reasonable and necessary per LCD L35070.
- Selection and prescription of speech-generating devices should be billed with CPT code 92607.
- Adaptation and training for speech-generating devices should be billed with CPT code 92609.
20 Active Policies
L33627 — Non-Invasive Vascular Studies
J06
A56747 — Billing and Coding: Magnetic Resonance Angiography (MRA)
J06
A56758 — Billing and Coding: Non-Invasive Vascular Studies
J06
L33633 — Magnetic Resonance Angiography (MRA)
J06
L36767 — Aortography and peripheral angiography
Related Codes
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