G57.7 Causalgia of lower limb

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Causalgia of lower limb is G57.7 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
G50-G59: Nerve, nerve root and plexus disorders (G50-G59)
Category G57
51 codes (40 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G57.7:

  • Causalgia (upper limb) › lower limb
Excludes1
Not coded here. These conditions should NOT be coded together with G57.7.
  • 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-)

Inclusion Terms

  • Complex regional pain syndrome II of lower limb

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference G57.7 with the canonical source and edition:

G57.7 — Causalgia of lower limb. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/G57.7

Canonical URL: https://icd10codingpro.com/codes/G57.7

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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