MCMCB Pro
G90.519

G90.519Complex regional pain syndrome I of unspecified upper limb

Billable / specific codeICD-10-CMunspecified

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

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).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.