Does I73.81 require prior authorization?

No, I73.81 does not require prior authorization (high confidence). Covered without prior authorization.

`I73.81`, Erythromelalgia

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.
Routine foot care and debridement of nails are payable under Medicare Part B when performed in approved places of service (POS 11,12,13,14,19,20[11720/11721 only],21,22,24,31,32,33,49,51,52,53,54,55,56,61,62,65,71,99).
Debridement of mycotic (onychomycosis/dermatophytosis) nails is covered only when the claim lists a primary diagnosis of dermatophytosis of the nail plus either a secondary systemic condition or an ICD-10-CM code from the LCD 'ICD-10-CM Codes that Support Medical Necessity' indicating secondary infection or pain.
Procedures to treat onychogryphosis or onychauxis are covered when the primary diagnosis is onychogryphosis or onychauxis and a secondary diagnosis from the LCD indicating secondary infection or pain is also reported.
Removal of benign hyperkeratotic lesions performed by cutting/parring is reported with CPT 11055, 11056, or 11057 and is the appropriate code set for hyperkeratotic plaques of the foot.
Removal of epidermal and dermal lesions by shaving is reported with CPT 11300–11313 when full-thickness excision is not performed and when anesthesia and hemostasis are provided.

CGS-J15-L34246, Routine Foot Care and Debridement of Nails

J15

CGS-J18-L34246, Routine Foot Care and Debridement of Nails

J18

A57759, Billing and Coding: Routine Foot Care and Debridement of Nails

NGS-J6-L33636, Routine Foot Care and Debridement of Nails

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