G56
Mononeuropathies of upper limb
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
G56 is a non-billable ICD-10-CM code category for mononeuropathies of upper limb. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are G56.0 Carpal tunnel syndrome, G56.1 Other lesions of median nerve, G56.2 Lesion of ulnar nerve, G56.3 Lesion of radial nerve and 3 more. Its coding notes include 6 Excludes1 entries and 8 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
This code
- current traumatic nerve disorder - see nerve injury by body region
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
Inherited from Chapter 6 Diseases of the nervous system
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)