ICD-10-CM G56: Mononeuropathies of upper limb

ICD-10-CM Diagnosis Code (2025)

Official Description for G56

Mononeuropathies of upper limb

Coding Notes & Guidelines for G56

Excludes1: Not Coded Here

current traumatic nerve disorder - see nerve injury by body region

Excludes1: Not Coded Here
  • complex regional pain syndrome I of lower limb (G90.52-)
  • complex regional pain syndrome I of upper limb (G90.51-)
  • complex regional pain syndrome II of lower limb (G57.7-)
  • reflex sympathetic dystrophy of lower limb (G90.52-)
  • reflex sympathetic dystrophy of upper limb (G90.51-)
Inclusion Terms

Tardy ulnar nerve palsy

Inclusion Terms

Complex regional pain syndrome II of upper limb

Inclusion Terms

Interdigital neuroma of upper limb

Child Codes (More Specific Codes for G56):

G56.0 - Carpal tunnel syndrome 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 G56.1 - Other lesions of median nerve 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 G56.2 - Lesion of ulnar nerve 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 G56.3 - Lesion of radial nerve 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 G56.4 - Causalgia of upper limb 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 G56.8 - Other specified mononeuropathies of upper limb 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 G56.9 - Unspecified mononeuropathy of upper limb 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

About ICD-10-CM Code G56 (Mononeuropathies of upper limb)

ICD-10-CM code G56 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM G56 became effective on October 1, 2024.

This page provides detailed information about G56 - Mononeuropathies of upper limb. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Mononeuropathies of upper limb.