G57.40 Lesion of medial popliteal 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)

• 355.4 Lesion of medial popliteal nerve (approximate)

Code annotations containing back-references to G57.40

Back-references to G57

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

Nearby codes

• 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
• G57.4 Lesion of medial popliteal nerve
• G57.40 Lesion of medial popliteal nerve, unspecified lower limb (this code)
• 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
• G57.5 Tarsal tunnel syndrome
• G57.50 Tarsal tunnel syndrome, unspecified lower limb