Does L03.90 require prior authorization?

No, L03.90 does not require prior authorization (high confidence). Code is covered without prior authorization.

`L03.90` — Cellulitis, unspecified

ICD-10-CM

No Prior Auth Required

Code is 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.
Routine foot care is covered only when clinical documentation demonstrates the patient’s condition warrants the provider to render the services and that failure to provide the services would be hazardous to the beneficiary due to underlying medical condition(s), per CMS Pub 100-02, Ch.15, §290.
Routine foot care is generally excluded from Medicare coverage but may be covered when a systemic condition justifies the need for routine foot care as defined in CMS manuals.
Coverage may be allowed when the patient has Amyotrophic Lateral Sclerosis (ALS) resulting in a need for routine foot care.
Coverage may be allowed when the patient has arteritis of the feet resulting in a need for routine foot care.
Coverage may be allowed when the patient has chronic indurated cellulitis of the feet resulting in a need for routine foot care.

A52996 — Billing and Coding: Routine Foot Care

J12

L35138 — Routine Foot Care

J12

A57957 — Billing and Coding: Routine Foot Care

A57954 — Billing and Coding: Routine Foot Care

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