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G90.51

⚠ Non-billable (Header)

Complex regional pain syndrome I of upper limb

Diseases of the nervous system (G00-G99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from G90.5

Rules from parent category G90.5: Complex regional pain syndrome I (CRPS I)

  • • causalgia of lower limb (G57.7-)
  • • causalgia of upper limb (G56.4-)
  • • complex regional pain syndrome II of lower limb (G57.7-)
  • • complex regional pain syndrome II of upper limb (G56.4-)

Child Codes (4)

G90.511Complex regional pain syndrome I of right upper limbG90.512Complex regional pain syndrome I of left upper limbG90.513Complex regional pain syndrome I of upper limb, bilateralG90.519Complex regional pain syndrome I of unspecified upper limb

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Code Information

CodeG90.51
BillableNo — Header code
ParentG90.5
CategoryDiseases of the nervous system (G00-G99)
Excludes14 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)