G90.52 (Complex regional pain syndrome I of lower limb) is an umbrella ICD-10-CM medical diagnosis code in the Diseases of the nervous system chapter. It identifies cases of complex regional pain syndrome i of lower limb for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

G90.52 — Complex regional pain syndrome I of lower limb

Chapter G00-G99: Diseases of the nervous system

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Sub-codes under G90.52

G90.521Complex regional pain syndrome I of right lower limbG90.522Complex regional pain syndrome I of left lower limbG90.523Complex regional pain syndrome I of lower limb, bilateralG90.529Complex regional pain syndrome I of unspecified lower limb

Related diagnoses

G90.50Complex regional pain syndrome I, unspecifiedG90.51Complex regional pain syndrome I of upper limbG90.59Complex regional pain syndrome I of other specified site

Common questions about G90.52 (Complex regional pain syndrome I of lower limb)

What does ICD-10 code G90.52 mean?
G90.52 is the ICD-10-CM 2025 code for Complex regional pain syndrome I of lower limb. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is G90.52 a billable diagnosis code?
G90.52 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under G90.52. Browse the sub-codes listed on this page.
Which ICD-10 chapter does G90.52 belong to?
G90.52 belongs to the chapter "Diseases of the nervous system" (codes G00-G99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Complex regional pain syndrome I of lower limb?
For a plain-language explanation of Complex regional pain syndrome I of lower limb, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Complex regional pain syndrome I of lower limb" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗