G57.70
G57.70 — Causalgia of unspecified lower limb
Billable / specific codeICD-10-CMunspecified
G57.70 is a billable, specific ICD-10-CM code for causalgia of unspecified lower limb. It is valid for submission on a claim.
Risk adjustment
G57.70 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
G57.70 is named in 5 Medicare coverage policies — 4 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56731Billing and Coding: Nerve Blocks and Electrostimulation for Peripheral Neuropathynot covered
- A56607Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB)
- A57668Billing and Coding: Nerve Conduction Studies and Electromyography
- A57788Billing and Coding: Peripheral Nerve Blocks
Related codes at this level
Codes that share G57.7. If G57.70 is not quite right, the correct code is usually one of these.
Questions about G57.70
- Is G57.70 a billable ICD-10-CM code?
- Yes. G57.70 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does G57.70 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Nerve, nerve root and plexus disorders (G50-G59).