G58.9

Mononeuropathy, unspecified

Billable / specific

G58.9 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 (from G58)
neuralgia NOS (M79.2) (from G58)
neuritis NOS (M79.2) (from G58)
peripheral neuritis in pregnancy (O26.82-) (from G58)
radiculitis NOS (M54.1-) (from G58)

Not included here — may be reported together when both conditions exist.

certain conditions originating in the perinatal period (P04-P96) (from G58)
certain infectious and parasitic diseases (A00-B99) (from G58)
complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G58)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G58)
endocrine, nutritional and metabolic diseases (E00-E88) (from G58)
injury, poisoning and certain other consequences of external causes (S00-T88) (from G58)
neoplasms (C00-D49) (from G58)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G58)