ICD-10-CM Current in FY 2027

G56.4

Causalgia of upper limb

Hierarchy

Where G56.4 sits in the official hierarchy. Each level is the code it is classified under.

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Complex regional pain syndrome II of upper limb

Excludes1

current traumatic nerve disorder - see nerve injury by body region

Inherited from G56 — Mononeuropathies of upper limb

Excludes1

complex regional pain syndrome I of lower limb ( G90.52- )

Excludes1

complex regional pain syndrome I of upper limb ( G90.51- )

Excludes1

complex regional pain syndrome II of lower limb ( G57.7- )

Excludes1

reflex sympathetic dystrophy of lower limb ( G90.52- )

Excludes1

reflex sympathetic dystrophy of upper limb ( G90.51- )

4 codes under G56.4

How G56.4 appears in each release imported from the official files, newest first.

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.

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