All ICD10 Codes
G57Non-billable

Mononeuropathies of lower limb

Diseases of the Nervous System·Nerve, nerve root and plexus disorders (G50-G59)·category·FY 2026

Use a more specific code (0 billable, 10 non-billable)
G57.0Lesion of sciatic nervehas subcodesG57.1Meralgia parestheticahas subcodesG57.2Lesion of femoral nervehas subcodesG57.3Lesion of lateral popliteal nervehas subcodesG57.4Lesion of medial popliteal nervehas subcodesG57.5Tarsal tunnel syndromehas subcodesG57.6Lesion of plantar nervehas subcodesG57.7Causalgia of lower limbhas subcodesG57.8Other specified mononeuropathies of lower limbhas subcodesG57.9Unspecified mononeuropathy of lower limbhas subcodes

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

G50-G59 Parent Instructions

Excludes1(Not coded here. Use a different 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-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • current traumatic nerve disorder - see nerve injury by body region

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G50-G59Nerve, nerve root and plexus disorders (G50-G59)
G57Mononeuropathies of lower limbNot billable
G57.0Lesion of sciatic nerveSubcodes
G57.1Meralgia parestheticaSubcodes
G57.2Lesion of femoral nerveSubcodes
G57.3Lesion of lateral popliteal nerveSubcodes
G57.4Lesion of medial popliteal nerveSubcodes
G57.5Tarsal tunnel syndromeSubcodes
G57.6Lesion of plantar nerveSubcodes
G57.7Causalgia of lower limbSubcodes
G57.8Other specified mononeuropathies of lower limbSubcodes
G57.9Unspecified mononeuropathy of lower limbSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.