Does G57.51 require prior authorization?

No, G57.51 does not require prior authorization (high confidence). Code is covered without prior authorization.

`G57.51` — Tarsal tunnel syndrome, right lower limb

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

For multiple injection sites, the record must document the reason for injecting each site and substantiate that all injections were reasonable and necessary.
The medical record must document medical necessity including relevant history, physical exam, and results of pertinent diagnostic tests or procedures supporting the indication for the injection.
The procedure note must be legible and include techniques used, site(s) of injection, drugs with doses/volumes/concentrations, and pre- and post-procedural pain assessments.
When a referring/ordering physician is required, the referring/ordering physician's name and NPI must be reported on the claim; claims without a valid ICD-10-CM diagnosis code will be returned as incomplete.

Injection into tendon sheaths, ligaments, ganglion cysts, carpal tunnel, or tarsal tunnel is covered when medically necessary to diagnose or treat local pain and the medical record documents the clinical reason for the injection at each site.
Diagnostic injections to identify a painful structure are covered when performed no sooner than one week (preferably two) apart and limited to no more than two injections in the diagnostic phase.
Therapeutic injections are covered when a patient had diagnostic injections demonstrating initial pain relief of ≥75–100% with return of function and maintains ≥50% pain relief and functional improvement for at least six weeks.
Nerve conduction studies (NCS) without needle electromyography (NEMG) are allowed for individuals being evaluated for carpal tunnel syndrome or tarsal tunnel syndrome when one of the diagnosis codes G56.01, G56.02, G56.03, G56.11, G56.12, G56.13, G56.21, G56.22, G56.23, G57.51, G57.52, or G57.53 is reported.
NCS without NEMG is allowed for individuals with significant lymphedema in the affected extremity when diagnosis code I89.0 is reported in addition to the primary diagnosis.
NCS without NEMG is allowed for individuals treated with anticoagulants when diagnosis code Z79.01 or Z79.02 is reported in addition to the primary diagnosis.

A57478 — Billing and Coding: Nerve Conduction Studies and Electromyography

J05

L34594 — Nerve Conduction Studies and Electromyography

J05

A57668 — Billing and Coding: Nerve Conduction Studies and Electromyography

J06

A57452 — Billing and Coding: Peripheral Nerve Blocks

J06

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