Mononeuropathy in diseases classified elsewhere
Billable / specific
G59 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Excludes1
Not coded here — never report together with this code.
- current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
- neuralgia NOS (M79.2)
- neuritis NOS (M79.2)
- peripheral neuritis in pregnancy (O26.82-)
- radiculitis NOS (M54.1-)
- diabetic mononeuropathy (E08-E13 with .41)
- syphilitic nerve paralysis (A52.19)
- syphilitic neuritis (A52.15)
- tuberculous mononeuropathy (A17.83)
Excludes2
Not included here — may be reported together when both conditions exist.
- 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)
Code first
Sequence the underlying condition first.
- underlying disease
Related codes
- G50Disorders of trigeminal nerveHeader
- G51Facial nerve disordersHeader
- G52Disorders of other cranial nervesHeader
- G53Cranial nerve disorders in diseases classified elsewhereBillable
- G54Nerve root and plexus disordersHeader
- G55Nerve root and plexus compressions in diseases classified elsewhereBillable
- G56Mononeuropathies of upper limbHeader
- G57Mononeuropathies of lower limbHeader
- G58Other mononeuropathiesHeader