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ICD-10-CM 2027

ICD-10 code for forearm algoneurodystrophy

M89.03

Algoneurodystrophy, forearm

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Algoneurodystrophy › forearm”. Page updated September 29, 2026.

About coding forearm algoneurodystrophy

The ICD-10-CM code for forearm algoneurodystrophy is M89.03 (Algoneurodystrophy, forearm).

Within M89.0 (Algoneurodystrophy), M89.03 is specifically for Algoneurodystrophy, forearm. Related codes cover unspecified site (M89.00), shoulder (M89.01), upper arm (M89.02), hand (M89.04), thigh (M89.05), lower leg (M89.06), ankle and foot (M89.07), other site (M89.08) and 1 more.

To report this condition, pick the subcode that matches the documentation: M89.031 (forearm), M89.032 (forearm) and M89.039 (forearm).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about forearm algoneurodystrophy ICD-10 codes

What is the ICD-10 code for forearm algoneurodystrophy?

M89.03 — Algoneurodystrophy, forearm (a header code; report a more specific subcode).

Is M89.03 billable?

No. M89.03 is a header code. Report one of its more specific subcodes instead.