Does I82.B21 require prior authorization?

No, I82.B21 does not require prior authorization (high confidence). Covered without prior authorization.

`I82.B21`, Chronic embolism and thrombosis of right subclavian vein

ICD-10-CM

No Prior Auth Required

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 used to treat severely symptomatic venous obstructions in accordance with LCD L38231.
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.

CGS-J15-L34045, Non-Invasive Vascular Studies

J15

CGS-J18-L34045, Non-Invasive Vascular Studies

J18

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

WPS-J5-L35751, Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies

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