ICD-10-CM category
G57: Mononeuropathies of lower limb
Codes under G57 (Mononeuropathies of lower limb). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G57.0 | Lesion of sciatic nerve | — |
| G57.0 | Lesion of sciatic nerve | — |
| G57.00 | Lesion of sciatic nerve, unspecified lower limb | ✓ |
| G57.00 | Lesion of sciatic nerve, unspecified lower limb | ✓ |
| G57.01 | Lesion of sciatic nerve, right lower limb | ✓ |
| G57.01 | Lesion of sciatic nerve, right lower limb | ✓ |
| G57.1 | Meralgia paresthetica | — |
| G57.1 | Meralgia paresthetica | — |
| G57.02 | Lesion of sciatic nerve, left lower limb | ✓ |
| G57.02 | Lesion of sciatic nerve, left lower limb | ✓ |
| G57.2 | Lesion of femoral nerve | — |
| G57.2 | Lesion of femoral nerve | — |
| G57.03 | Lesion of sciatic nerve, bilateral lower limbs | ✓ |
| G57.03 | Lesion of sciatic nerve, bilateral lower limbs | ✓ |
| G57.3 | Lesion of lateral popliteal nerve | — |
| G57.3 | Lesion of lateral popliteal nerve | — |
| G57.4 | Lesion of medial popliteal nerve | — |
| G57.4 | Lesion of medial popliteal nerve | — |
| G57.5 | Tarsal tunnel syndrome | — |
| G57.5 | Tarsal tunnel syndrome | — |
| G57.6 | Lesion of plantar nerve | — |
| G57.6 | Lesion of plantar nerve | — |
| G57.7 | Causalgia of lower limb | — |
| G57.7 | Causalgia of lower limb | — |
| G57.8 | Other specified mononeuropathies of lower limb | — |
| G57.8 | Other specified mononeuropathies of lower limb | — |
| G57.9 | Unspecified mononeuropathy of lower limb | — |
| G57.9 | Unspecified mononeuropathy of lower limb | — |
| G57.10 | Meralgia paresthetica, unspecified lower limb | ✓ |
| G57.10 | Meralgia paresthetica, unspecified lower limb | ✓ |
| G57.11 | Meralgia paresthetica, right lower limb | ✓ |
| G57.11 | Meralgia paresthetica, right lower limb | ✓ |
| G57.12 | Meralgia paresthetica, left lower limb | ✓ |
| G57.12 | Meralgia paresthetica, left lower limb | ✓ |
| G57.13 | Meralgia paresthetica, bilateral lower limbs | ✓ |
| G57.13 | Meralgia paresthetica, bilateral lower limbs | ✓ |
| G57.20 | Lesion of femoral nerve, unspecified lower limb | ✓ |
| G57.20 | Lesion of femoral nerve, unspecified lower limb | ✓ |
| G57.21 | Lesion of femoral nerve, right lower limb | ✓ |
| G57.21 | Lesion of femoral nerve, right lower limb | ✓ |
| G57.22 | Lesion of femoral nerve, left lower limb | ✓ |
| G57.22 | Lesion of femoral nerve, left lower limb | ✓ |
| G57.23 | Lesion of femoral nerve, bilateral lower limbs | ✓ |
| G57.23 | Lesion of femoral nerve, bilateral lower limbs | ✓ |
| G57.30 | Lesion of lateral popliteal nerve, unspecified lower limb | ✓ |
| G57.30 | Lesion of lateral popliteal nerve, unspecified lower limb | ✓ |
| G57.31 | Lesion of lateral popliteal nerve, right lower limb | ✓ |
| G57.31 | Lesion of lateral popliteal nerve, right lower limb | ✓ |
| G57.32 | Lesion of lateral popliteal nerve, left lower limb | ✓ |
| G57.32 | Lesion of lateral popliteal nerve, left lower limb | ✓ |
| G57.33 | Lesion of lateral popliteal nerve, bilateral lower limbs | ✓ |
| G57.33 | Lesion of lateral popliteal nerve, bilateral lower limbs | ✓ |
| G57.40 | Lesion of medial popliteal nerve, unspecified lower limb | ✓ |
| G57.40 | Lesion of medial popliteal nerve, unspecified lower limb | ✓ |
| G57.41 | Lesion of medial popliteal nerve, right lower limb | ✓ |
| G57.41 | Lesion of medial popliteal nerve, right lower limb | ✓ |
| G57.42 | Lesion of medial popliteal nerve, left lower limb | ✓ |
| G57.42 | Lesion of medial popliteal nerve, left lower limb | ✓ |
| G57.43 | Lesion of medial popliteal nerve, bilateral lower limbs | ✓ |
| G57.43 | Lesion of medial popliteal nerve, bilateral lower limbs | ✓ |
| G57.50 | Tarsal tunnel syndrome, unspecified lower limb | ✓ |
| G57.50 | Tarsal tunnel syndrome, unspecified lower limb | ✓ |
| G57.51 | Tarsal tunnel syndrome, right lower limb | ✓ |
| G57.51 | Tarsal tunnel syndrome, right lower limb | ✓ |
| G57.52 | Tarsal tunnel syndrome, left lower limb | ✓ |
| G57.52 | Tarsal tunnel syndrome, left lower limb | ✓ |
| G57.53 | Tarsal tunnel syndrome, bilateral lower limbs | ✓ |
| G57.53 | Tarsal tunnel syndrome, bilateral lower limbs | ✓ |
| G57.60 | Lesion of plantar nerve, unspecified lower limb | ✓ |
| G57.60 | Lesion of plantar nerve, unspecified lower limb | ✓ |
| G57.61 | Lesion of plantar nerve, right lower limb | ✓ |
| G57.61 | Lesion of plantar nerve, right lower limb | ✓ |
| G57.62 | Lesion of plantar nerve, left lower limb | ✓ |
| G57.62 | Lesion of plantar nerve, left lower limb | ✓ |
| G57.63 | Lesion of plantar nerve, bilateral lower limbs | ✓ |
| G57.63 | Lesion of plantar nerve, bilateral lower limbs | ✓ |
| G57.70 | Causalgia of unspecified lower limb | ✓ |
| G57.70 | Causalgia of unspecified lower limb | ✓ |
| G57.71 | Causalgia of right lower limb | ✓ |
| G57.71 | Causalgia of right lower limb | ✓ |
| G57.72 | Causalgia of left lower limb | ✓ |
| G57.72 | Causalgia of left lower limb | ✓ |
| G57.73 | Causalgia of bilateral lower limbs | ✓ |
| G57.73 | Causalgia of bilateral lower limbs | ✓ |
| G57.80 | Other specified mononeuropathies of unspecified lower limb | ✓ |
| G57.80 | Other specified mononeuropathies of unspecified lower limb | ✓ |
| G57.81 | Other specified mononeuropathies of right lower limb | ✓ |
| G57.81 | Other specified mononeuropathies of right lower limb | ✓ |
| G57.82 | Other specified mononeuropathies of left lower limb | ✓ |
| G57.82 | Other specified mononeuropathies of left lower limb | ✓ |
| G57.83 | Other specified mononeuropathies of bilateral lower limbs | ✓ |
| G57.83 | Other specified mononeuropathies of bilateral lower limbs | ✓ |
| G57.90 | Unspecified mononeuropathy of unspecified lower limb | ✓ |
| G57.90 | Unspecified mononeuropathy of unspecified lower limb | ✓ |
| G57.91 | Unspecified mononeuropathy of right lower limb | ✓ |
| G57.91 | Unspecified mononeuropathy of right lower limb | ✓ |
| G57.92 | Unspecified mononeuropathy of left lower limb | ✓ |
| G57.92 | Unspecified mononeuropathy of left lower limb | ✓ |
| G57.93 | Unspecified mononeuropathy of bilateral lower limbs | ✓ |
| G57.93 | Unspecified mononeuropathy of bilateral lower limbs | ✓ |
Frequently asked questions
What is ICD-10-CM code G57?
G57 is an ICD-10-CM category covering Mononeuropathies of lower limb. It contains 100 more specific diagnosis codes, 80 of which are billable.
Is G57 a billable code?
No — G57 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example G57.0 — Lesion of sciatic nerve). 80 of the 100 codes under G57 are billable.
What codes fall under G57?
G57 includes G57.0, G57.0, G57.00, G57.00, G57.01, plus 95 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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