G57 Mononeuropathies of lower limb

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Mononeuropathies of lower limb is G57 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
G50-G59: Nerve, nerve root and plexus disorders (G50-G59)
Category G57
51 codes (40 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with G57.
  • current traumatic nerve disorder - see nerve injury by body region

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference G57 with the canonical source and edition:

G57 — Mononeuropathies of lower limb. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/G57

Canonical URL: https://icd10codingpro.com/codes/G57

Related Codes

More Specific Codes

G57.0 Lesion of sciatic nerve G57.1 Meralgia paresthetica G57.2 Lesion of femoral nerve G57.3 Lesion of lateral popliteal nerve G57.4 Lesion of medial popliteal nerve G57.5 Tarsal tunnel syndrome G57.6 Lesion of plantar nerve G57.7 Causalgia of lower limb G57.8 Other specified mononeuropathies of lower limb G57.9 Unspecified mononeuropathy of lower limb

All Codes in G57

Every most-specific code under G57 Mononeuropathies of lower limb (40 codes):

Show the complete G57 code list
G57.00 Lesion of sciatic nerve, unspecified lower limb G57.01 Lesion of sciatic nerve, right lower limb G57.02 Lesion of sciatic nerve, left lower limb G57.03 Lesion of sciatic nerve, bilateral lower limbs G57.10 Meralgia paresthetica, unspecified lower limb G57.11 Meralgia paresthetica, right lower limb G57.12 Meralgia paresthetica, left lower limb G57.13 Meralgia paresthetica, bilateral lower limbs G57.20 Lesion of femoral nerve, unspecified lower limb G57.21 Lesion of femoral nerve, right lower limb G57.22 Lesion of femoral nerve, left lower limb G57.23 Lesion of femoral nerve, bilateral lower limbs G57.30 Lesion of lateral popliteal nerve, unspecified lower limb G57.31 Lesion of lateral popliteal nerve, right lower limb G57.32 Lesion of lateral popliteal nerve, left lower limb G57.33 Lesion of lateral popliteal nerve, bilateral lower limbs G57.40 Lesion of medial popliteal nerve, unspecified lower limb G57.41 Lesion of medial popliteal nerve, right lower limb G57.42 Lesion of medial popliteal nerve, left lower limb G57.43 Lesion of medial popliteal nerve, bilateral lower limbs G57.50 Tarsal tunnel syndrome, unspecified lower limb G57.51 Tarsal tunnel syndrome, right lower limb G57.52 Tarsal tunnel syndrome, left lower limb G57.53 Tarsal tunnel syndrome, bilateral lower limbs G57.60 Lesion of plantar nerve, unspecified lower limb G57.61 Lesion of plantar nerve, right lower limb G57.62 Lesion of plantar nerve, left lower limb G57.63 Lesion of plantar nerve, bilateral lower limbs G57.70 Causalgia of unspecified lower limb G57.71 Causalgia of right lower limb G57.72 Causalgia of left lower limb G57.73 Causalgia of bilateral lower limbs G57.80 Other specified mononeuropathies of unspecified lower limb G57.81 Other specified mononeuropathies of right lower limb G57.82 Other specified mononeuropathies of left lower limb G57.83 Other specified mononeuropathies of bilateral lower limbs G57.90 Unspecified mononeuropathy of unspecified lower limb G57.91 Unspecified mononeuropathy of right lower limb G57.92 Unspecified mononeuropathy of left lower limb G57.93 Unspecified mononeuropathy of bilateral lower limbs
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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