G56
Header — not billableMononeuropathies of upper limb
The ICD-10 code for mononeuropathies of upper limb is G56.
G56 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- current traumatic nerve disorder - see nerve injury by body region
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under G56
- G56.0Carpal tunnel syndromenon-billable header
- G56.1Other lesions of median nervenon-billable header
- G56.2Lesion of ulnar nervenon-billable header
- G56.3Lesion of radial nervenon-billable header
- G56.4Causalgia of upper limbnon-billable header
- G56.8Other specified mononeuropathies of upper limbnon-billable header
- G56.9Unspecified mononeuropathy of upper limbnon-billable header
Related codes in this category
- G50Disorders of trigeminal nervenon-billable header
- G51Facial nerve disordersnon-billable header
- G52Disorders of other cranial nervesnon-billable header
- G53Cranial nerve disorders in diseases classified elsewhere
- G54Nerve root and plexus disordersnon-billable header
- G55Nerve root and plexus compressions in diseases classified elsewhere
- G57Mononeuropathies of lower limbnon-billable header
- G58Other mononeuropathiesnon-billable header
- G59Mononeuropathy in diseases classified elsewhere
- G56Mononeuropathies of upper limbnon-billable header