2025
ICD-10-CM
Diagnosis
Code

G56.4 Causalgia of upper limb

Non-billable
2016–2025

G56.4 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Causalgia of upper limb.

Inclusion term

Complex regional pain syndrome II of upper limb

Type 1 excludes

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 lower limb (G57.7-)
Reflex sympathetic dystrophy of lower limb (G90.52-)
Reflex sympathetic dystrophy of upper limb (G90.51-)

Codes

Versions

2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code