Does I67.2 require prior authorization?

No, I67.2 does not require prior authorization (high confidence). Code is covered without prior authorization.

`I67.2` — Cerebral atherosclerosis

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

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.
All documentation must be maintained in the patient's medical record, be legible, include complete patient identification (e.g., full name, dates of service), and be made available to the contractor upon request.

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.'
Coverage for non-emergent outpatient stress testing is subject to the reasonable and necessary requirements in Local Coverage Determination L35083 and is allowed only when L35083 clinical criteria are met.
Serum homocysteine testing is covered for evaluation of suspected vitamin B12 (cobalamin) deficiency.
Serum homocysteine testing is covered for risk stratification for the conditions listed in the ICD-10-CM Codes that Support Medical Necessity in LCD L34419.

A57592 — Billing and Coding: Non-Invasive Cerebrovascular Studies

J05

L35753 — Non-Invasive Cerebrovascular Studies

J05

A56551 — Billing and Coding: Visual Fields Testing

J06

L33574 — Visual Fields Testing

J06

A57637 — Billing and Coding: Visual Field Examination

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