Does I99.9 require prior authorization?

No, I99.9 does not require prior authorization (high confidence). Covered without prior authorization.

`I99.9`, Unspecified disorder of circulatory system

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

When routine foot care needs to meet one of the exclusions, include the applicable Q modifier on the claim: Q7 for 1 Class A finding, Q8 for 2 Class B findings, and Q9 for 1 Class B plus 2 Class C findings.
For all foot-care claims report an appropriate foot/toe location modifier (e.g., LT, RT, TA, T1-T9) to identify laterality and specific toe when applicable.
If a significant, separately identifiable evaluation and management service is provided on the same day as routine foot care, append modifier -25 to the E/M claim line.
Total the number of keratotic lesions debrided and select the most appropriate CPT code 11055-11057 based on that total (example: code 11056 for two to four lesions).

Removal of corns and calluses of the feet must be billed using CPT codes 11055-11057 (paring/cutting of benign hyperkeratotic lesion) and the procedure code that most accurately describes the service performed should be reported.
Cyanide poisoning;or
Decompression sickness;or
Systemic hyperbaric oxygen pressurization is consideredmedically necessaryin the treatment of any of the following conditions when performed in accordance with Undersea and Hyperbaric Medical Society (UHMS) guidelines:
Acute peripheral arterial insufficiency;or
Acute thermal burns: deep second degree or third degree in nature;or

NOVITAS-JH-L35138, Routine Foot Care

NOVITAS-JL-L35138, Routine Foot Care

A52996, Billing and Coding: Routine Foot Care

ANTHEM-CG-MED-73, Hyperbaric Oxygen Therapy (Systemic/Topical)

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