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ICD-10-CM · FY 2026 APRIL UPDATE

G57

Mononeuropathies of lower limb

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
G57.0Lesion of sciatic nerveCategory
G57.00Lesion of sciatic nerve, unspecified lower limbBillable
G57.01Lesion of sciatic nerve, right lower limbBillable
G57.02Lesion of sciatic nerve, left lower limbBillable
G57.03Lesion of sciatic nerve, bilateral lower limbsBillable
G57.1Meralgia parestheticaCategory
G57.10Meralgia paresthetica, unspecified lower limbBillable
G57.11Meralgia paresthetica, right lower limbBillable
G57.12Meralgia paresthetica, left lower limbBillable
G57.13Meralgia paresthetica, bilateral lower limbsBillable
G57.2Lesion of femoral nerveCategory
G57.20Lesion of femoral nerve, unspecified lower limbBillable
G57.21Lesion of femoral nerve, right lower limbBillable
G57.22Lesion of femoral nerve, left lower limbBillable
G57.23Lesion of femoral nerve, bilateral lower limbsBillable
G57.3Lesion of lateral popliteal nerveCategory
G57.30Lesion of lateral popliteal nerve, unspecified lower limbBillable
G57.31Lesion of lateral popliteal nerve, right lower limbBillable
G57.32Lesion of lateral popliteal nerve, left lower limbBillable
G57.33Lesion of lateral popliteal nerve, bilateral lower limbsBillable
G57.4Lesion of medial popliteal nerveCategory
G57.40Lesion of medial popliteal nerve, unspecified lower limbBillable
G57.41Lesion of medial popliteal nerve, right lower limbBillable
G57.42Lesion of medial popliteal nerve, left lower limbBillable
G57.43Lesion of medial popliteal nerve, bilateral lower limbsBillable
G57.5Tarsal tunnel syndromeCategory
G57.50Tarsal tunnel syndrome, unspecified lower limbBillable
G57.51Tarsal tunnel syndrome, right lower limbBillable
G57.52Tarsal tunnel syndrome, left lower limbBillable
G57.53Tarsal tunnel syndrome, bilateral lower limbsBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.