G90.519 — Complex regional pain syndrome I of unspecified upper limb
G90.519 is a billable, specific ICD-10-CM code for complex regional pain syndrome i of unspecified upper limb. It is valid for submission on a claim.
Risk adjustment
G90.519 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
G90.519 is named in 6 Medicare coverage policies — 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56607Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB)
- A57651Billing and Coding: Autonomic Function Tests
- A57668Billing and Coding: Nerve Conduction Studies and Electromyography
- A57788Billing and Coding: Peripheral Nerve Blocks
Code history
G90.519 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share G90.51. If G90.519 is not quite right, the correct code is usually one of these.
Questions about G90.519
- Is G90.519 a billable ICD-10-CM code?
- Yes. G90.519 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does G90.519 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Other disorders of the nervous system (G89-G99).