G57.20 Lesion of femoral nerve, unspecified lower limb

Billable ICD-10-CM code, FY2026.

Applies from G57 Mononeuropathies of lower limb

Excludes1 (never code together)

• current traumatic nerve disorder - see nerve injury by body region

MS-DRG index

Defines the logic of DRG(s) 073-074 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 355.2 Other lesion of femoral nerve (approximate)

Code annotations containing back-references to G57.20

Back-references to G57

• Type 1 Excludes: M79.2 Neuralgia and neuritis, unspecified ("mononeuropathies (G56-G58)")

Nearby codes

• 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
• G57.2 Lesion of femoral nerve
• G57.20 Lesion of femoral nerve, unspecified lower limb (this code)
• 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
• G57.3 Lesion of lateral popliteal nerve
• G57.30 Lesion of lateral popliteal nerve, unspecified lower limb