Does L97.121 require prior authorization?

No, L97.121 does not require prior authorization (high confidence). Code is covered without prior authorization.

`L97.121` — Non-pressure chronic ulcer of left thigh limited to breakdown of skin

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.
Traditional negative pressure wound therapy (NPWT) devices, units, and supplies are covered under the Durable Medical Equipment (DME) benefit when they meet DME LCD coverage criteria and medical necessity.
CPT codes 97597, 97598, and wound debridement codes 11042-11047 may be covered when the medical record documents medical necessity consistent with L37228 Wound Care criteria and Medicare reasonable-and-necessary requirements.
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.

L35761 — Non-Invasive Peripheral Arterial Vascular Studies

J05

A57593 — Billing and Coding: Non-Invasive Peripheral Arterial Vascular Studies

J05

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

J05

L37228 — Wound Care

J05

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