G57.7
ICD-10Non-billable categoryCausalgia of lower limb
Official ICD-10-CM descriptor (FY2026)
Causalgia of lower limb
G57.7 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Inclusion terms
- Complex regional pain syndrome II of lower limb
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- complex regional pain syndrome I of lower limb (G90.52-)
- complex regional pain syndrome I of upper limb (G90.51-)
- complex regional pain syndrome II of upper limb (G56.4-)
- reflex sympathetic dystrophy of lower limb (G90.52-)
- reflex sympathetic dystrophy of upper limb (G90.51-)
ICD-10-CM FY2026 defines 4 codes beneath G57.7. See the ICD-10-CM index for what this site publishes.
Related codes in G57
- G57.0Lesion of sciatic nervecategory
- G57.1Meralgia parestheticacategory
- G57.2Lesion of femoral nervecategory
- G57.3Lesion of lateral popliteal nervecategory
- G57.4Lesion of medial popliteal nervecategory
- G57.5Tarsal tunnel syndromecategory
- G57.6Lesion of plantar nervecategory
- G57.8Other specified mononeuropathies of lower limbcategory
- G57.9Unspecified mononeuropathy of lower limbcategory
Where this code sits
- Parent code
- G57
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.