G56 Mononeuropathies of upper limb
ICD-10-CM category G56 sits in Chapter 6 (Diseases of the nervous system, G00-G99). It contains 28 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
G56.0 Carpal tunnel syndromeG56.1 Other lesions of median nerveG56.2 Lesion of ulnar nerveG56.3 Lesion of radial nerveG56.4 Causalgia of upper limbG56.8 Other specified mononeuropathies of upper limbG56.9 Unspecified mononeuropathy of upper limb
Billable codes in G56
| Code | Description |
|---|---|
G56.00 | Carpal tunnel syndrome, unspecified upper limb |
G56.01 | Carpal tunnel syndrome, right upper limb |
G56.02 | Carpal tunnel syndrome, left upper limb |
G56.03 | Carpal tunnel syndrome, bilateral upper limbs |
G56.10 | Other lesions of median nerve, unspecified upper limb |
G56.11 | Other lesions of median nerve, right upper limb |
G56.12 | Other lesions of median nerve, left upper limb |
G56.13 | Other lesions of median nerve, bilateral upper limbs |
G56.20 | Lesion of ulnar nerve, unspecified upper limb |
G56.21 | Lesion of ulnar nerve, right upper limb |
G56.22 | Lesion of ulnar nerve, left upper limb |
G56.23 | Lesion of ulnar nerve, bilateral upper limbs |
G56.30 | Lesion of radial nerve, unspecified upper limb |
G56.31 | Lesion of radial nerve, right upper limb |
G56.32 | Lesion of radial nerve, left upper limb |
G56.33 | Lesion of radial nerve, bilateral upper limbs |
G56.40 | Causalgia of unspecified upper limb |
G56.41 | Causalgia of right upper limb |
G56.42 | Causalgia of left upper limb |
G56.43 | Causalgia of bilateral upper limbs |
G56.80 | Other specified mononeuropathies of unspecified upper limb |
G56.81 | Other specified mononeuropathies of right upper limb |
G56.82 | Other specified mononeuropathies of left upper limb |
G56.83 | Other specified mononeuropathies of bilateral upper limbs |
G56.90 | Unspecified mononeuropathy of unspecified upper limb |
G56.91 | Unspecified mononeuropathy of right upper limb |
G56.92 | Unspecified mononeuropathy of left upper limb |
G56.93 | Unspecified mononeuropathy of bilateral upper limbs |
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