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G56.0

⚠ Non-billable (Header)

Carpal tunnel syndrome

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 G56

Rules from parent category G56: Mononeuropathies of upper limb

  • • current traumatic nerve disorder - see nerve injury by body region

Child Codes (4)

G56.00Carpal tunnel syndrome, unspecified upper limbG56.01Carpal tunnel syndrome, right upper limbG56.02Carpal tunnel syndrome, left upper limbG56.03Carpal tunnel syndrome, bilateral upper limbs

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Code Information

CodeG56.0
BillableNo — Header code
ParentG56
CategoryDiseases of the nervous system (G00-G99)
Excludes11 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)