R25.8 OTHER ABNORMAL INVOLUNTARY MOVEMENTS

Code Information

Diagnosis Code: R25.8
Short Description: Other abnormal involuntary movements
Long Description: Other abnormal involuntary movements
Code Version: 2025 ICD-10-CM

The code R25.8 is VALID for claim submission

Code Classification

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
- Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29)
  - Abnormal involuntary movements (R25)

Synonyms

Ankle clonus
Ankle clonus present
Ankle clonus sustained
Ankle clonus unsustained
Anodal closure clonus
Athetoid movement
Athetoid paralysis
Athetosis
Athetosis with rigidity
Athetosis with spastic paraplegia
Blink reflex finding
Blinking
Bradykinesia
Clonus
Excessive blinking - involuntary
Flinging movement
Flinging movement of arm
Flinging movement of leg
Involuntary truncal rocking
Movement of eyelid - finding
Named sensory sign
Opisthotonus
Oral rumination
Patella clonus unsustained
Patellar clonus
Patellar clonus present
Patellar clonus sustained
Posthemiplegic athetosis
Pseudoathetosis
Sustained clonus
Synkinesis
Synkinesis of eyelid
Synkinesis of face
Wrist clonus
Writhing movements

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
R25.8		781.0	Abn involun movement NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
R25	Abnormal involuntary movements
R25.0	Abnormal head movements
R25.1	Tremor, unspecified
R25.2	Cramp and spasm
R25.3	Fasciculation
R25.9	Unspecified abnormal involuntary movements

This page was last updated on: 10/1/2025

Previous Code

Next Code