R25.8
Other abnormal involuntary movements
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Inherited from R25Abnormal involuntary movements
Inherited from chapter 18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Official Guidelines for R25.8
FY 2026 ›Sections that reference R25.8
- I.B.4Signs and symptomsConventions & general rules
… Chapter 18 of ICD-10-CM, Symptoms, Signs, and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (codes R00.0 - R99) contains many, but not all, codes for symptoms. …
- IV.DCodes that describe symptoms and signsOutpatient services
… Chapter 18 of ICD-10-CM, Symptoms, Signs, and Abnormal Clinical and Laboratory Findings Not Elsewhere Classified (codes R00-R99) contain many, but not all codes for symptoms.
Sections whose FY 2026 text names R25.8, its R25 category, or a range containing it — the chapter guidance above is the authoritative source.
Find R25.8 in the alphabetic index
11 index paths lead to this code