G56.40
Causalgia of unspecified upper limb
- Release
- FY 2027
- Effective
Hierarchy
Where G56.40 sits in the official hierarchy. Each level is the code it is classified under.
- G56 Mononeuropathies of upper limb
- G56.4 Parent Causalgia of upper limb
- G56.40 This code Causalgia of unspecified upper limb
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
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- )
Inherited from G56.4 — Causalgia of upper limb
Excludes1
complex regional pain syndrome I of upper limb ( G90.51- )
Inherited from G56.4 — Causalgia of upper limb
Excludes1
complex regional pain syndrome II of lower limb ( G57.7- )
Inherited from G56.4 — Causalgia of upper limb
Version History
How G56.40 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentCausalgia of unspecified upper limb
-
FY 2026 Effective
UnchangedCausalgia of unspecified upper limb
Related Codes
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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