G57 ICD-10-CM Code: Mononeuropathies of lower limb
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
G57Mononeuropathies of lower limb
ICD-10-CM diagnosis code · United States clinical modification
Where G57 sits
- 1
Chapter 6
Diseases of the nervous system (G00-G99)
- 2
Section
Nerve, nerve root and plexus disorders (G50-G59)
- 3
Category G57
Mononeuropathies of lower limb
- 4
Code G57
Mononeuropathies of lower limb
Codes under G57
G57 is a non-billable category. Choose the child code that best matches the documented diagnosis.
G57.0Lesion of sciatic nerveG57.1Meralgia parestheticaG57.2Lesion of femoral nerveG57.3Lesion of lateral popliteal nerveG57.4Lesion of medial popliteal nerveG57.5Tarsal tunnel syndromeG57.6Lesion of plantar nerveG57.7Causalgia of lower limbG57.8Other specified mononeuropathies of lower limbG57.9Unspecified mononeuropathy of lower limbNotes for this code
Inclusion terms
No inclusion terms are listed for G57.
Code first
No “code first” instruction is listed for G57.
Use additional code
No “use additional code” instruction is listed for G57.
Excludes1
Conditions that should not be reported together with this code.
- current traumatic nerve disorder - see nerve injury by body region
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for G57.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code G57 mean?
G57 is the FY 2027 U.S. ICD-10-CM code for “Mononeuropathies of lower limb.”
Is G57 a billable or specific ICD-10-CM code?
No. G57 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is G57 located in ICD-10-CM?
G57 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Nerve, nerve root and plexus disorders (G50-G59) (G50–G59), under category G57, Mononeuropathies of lower limb.
What coding notes are listed for G57?
No inclusion terms are listed for G57 in this reference record. No code-first instruction is listed. Excludes1 notes: current traumatic nerve disorder - see nerve injury by body region. No Excludes2 note is listed.