G57.20 ICD-10-CM Code: Lesion of femoral nerve, unspecified lower limb
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 073 — CRANIAL AND PERIPHERAL NERVE DISORDERS WITH MCC (MDC 01)
- MS-DRG 074 — CRANIAL AND PERIPHERAL NERVE DISORDERS WITHOUT MCC (MDC 01)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Lesion of femoral nerve, unspecified lower limb is a billable ICD-10-CM diagnosis code (G57.20).
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G57.20 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- current traumatic nerve disorder - see nerve injury by body region
- current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
- neuralgia NOS (M79.2)
- neuritis NOS (M79.2)
- peripheral neuritis in pregnancy (O26.82-)
- radiculitis NOS (M54.1-)
Nearest Codes in This Family
Official ICD-10-CM classifications closest to G57.20 in its code family, with their registry titles.
- 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
- G57.21 — 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