G57Header code — not billable
Mononeuropathies of lower limb
- Chapter
- 6. Diseases of the nervous system
- Category
- G57
- Effective date
- October 1, 2026
Related codes in category G57
G57.0Lesion of sciatic nerveG57.00Lesion of sciatic nerve, unspecified lower limbYesG57.01Lesion of sciatic nerve, right lower limbYesG57.02Lesion of sciatic nerve, left lower limbYesG57.03Lesion of sciatic nerve, bilateral lower limbsYesG57.1Meralgia parestheticaG57.10Meralgia paresthetica, unspecified lower limbYesG57.11Meralgia paresthetica, right lower limbYesG57.12Meralgia paresthetica, left lower limbYesG57.13Meralgia paresthetica, bilateral lower limbsYesG57.2Lesion of femoral nerveG57.20Lesion of femoral nerve, unspecified lower limbYes
Frequently asked questions
What is ICD-10 code G57?
G57 is an ICD-10-CM diagnosis code for Mononeuropathies of lower limb.
Is G57 a billable code?
No. G57 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is G57 in?
G57 falls under Chapter 6: Diseases of the nervous system.
When did G57 become effective?
G57 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to G57?
G57 belongs to category G57, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.