ICD-10-CM 2027
ICD-10 code for medial popliteal nerve mononeuritis
From the official ICD-10-CM alphabetic index entry “Mononeuritis › medial popliteal nerve”. Page updated September 29, 2026.
About coding medial popliteal nerve mononeuritis
The ICD-10-CM code for medial popliteal nerve mononeuritis is G57.4 (Lesion of medial popliteal nerve).
Within G57 (mononeuropathies of lower limb), G57.4 is specifically for lesion of medial popliteal nerve. Related codes cover lesion of sciatic nerve (G57.0), Meralgia paresthetica (G57.1), lesion of femoral nerve (G57.2), lesion of lateral popliteal nerve (G57.3), tarsal tunnel syndrome (G57.5), lesion of plantar nerve (G57.6), Causalgia of lower limb (G57.7), other specified mononeuropathies of lower limb (G57.8) and 1 more.
To report this condition, pick the subcode that matches the documentation: G57.40 (unspecified lower limb), G57.41 (right lower limb), G57.42 (left lower limb) and G57.43 (bilateral lower limbs).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.