Does 93898 require prior authorization?

No, 93898 does not require prior authorization (high confidence). Code is covered without prior authorization.

What is the Medicare reimbursement rate for 93898?

Medicare facility rate: $262.53. Non-facility rate: $262.53. Work RVU: 0.83.

HCPCS/CPT

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Work RVU

0.83

Facility

$262.53

Non-Facility

$262.53

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.
The medical record must contain relevant medical history, physical examination, and results of pertinent diagnostic tests that fully support the medical necessity of each non-invasive vascular study.

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.'
Non-invasive vascular studies (duplex scan, physiologic studies, plethysmography, transcranial Doppler) are covered when ordered by the treating or consulting practitioner and medically necessary to evaluate, diagnose, or manage vascular disease.
Initial autogenous access vessel mapping should be billed with HCPCS codes 93985 or 93986 and is covered when medically necessary for surgical planning.
Subsequent autogenous access mapping may be billed with CPT codes 93970 or 93971 when clinically indicated.

L33627 — Non-Invasive Vascular Studies

J06

A56758 — Billing and Coding: Non-Invasive Vascular Studies

J06

L33693 — Peripheral Venous Ultrasound

J09

L37371 — Electroretinography (ERG)

J12

L35397 — Non-Invasive Cerebrovascular Arterial Studies

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