Does I82.A21 require prior authorization?

No, I82.A21 does not require prior authorization (high confidence). Code is covered without prior authorization.

`I82.A21` — Chronic embolism and thrombosis of right axillary vein

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

The final report must include an impression or summary statement, a specific or differential diagnosis if appropriate, and recommendations for follow-up when clinically applicable.
All documentation must be maintained in the patient's medical record, be legible, include patient identification and dates of service, and be available to the contractor upon request.
The medical record must include the legible signature of the physician or non-physician practitioner responsible for and providing care.
The submitted medical record must support the selected ICD-10-CM code(s) and the submitted CPT/HCPCS code must accurately describe the service performed.

Doppler ultrasound (peripheral venous ultrasound) is the standard preoperative test to evaluate venous reflux in patients with chronic venous insufficiency.
CPT 93971 should be used to report either a limited bilateral duplex scan or a complete unilateral duplex scan for peripheral venous reflux evaluation.
Endovenous stenting is covered when performed to treat severely symptomatic venous obstructions in accordance with LCD L37893.
Coverage determinations for biomarker testing follow Local Coverage Determination L35062 and services are covered when reasonable and necessary per that LCD.
Endovenous stenting is covered when used to treat severely symptomatic venous obstructions in accordance with LCD L38231.
Non-invasive vascular diagnostic tests are covered when ordered by the treating practitioner or a consulting physician who will use the results to manage the beneficiary's specific medical problem.

L35751 — Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies

J05

A57594 — Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies

J05

A56758 — Billing and Coding: Non-Invasive Vascular Studies

J06

L33627 — Non-Invasive Vascular Studies

J06

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