R25Header code — not billable

Abnormal involuntary movements

Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Category
R25
Effective date
October 1, 2026

Related codes in category R25

R25.0Abnormal head movementsYesR25.1Tremor, unspecifiedYesR25.2Cramp and spasmYesR25.3FasciculationYesR25.8Other abnormal involuntary movementsYesR25.9Unspecified abnormal involuntary movementsYes

Frequently asked questions

What is ICD-10 code R25?

R25 is an ICD-10-CM diagnosis code for Abnormal involuntary movements.

Is R25 a billable code?

No. R25 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is R25 in?

R25 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

When did R25 become effective?

R25 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to R25?

R25 belongs to category R25, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.