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Abnormal involuntary movements

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Abnormal involuntary movements include abnormal head movements, tremor, cramp, spasm, fasciculation, and other abnormal involuntary movements

exclusions

• Movement disorders  (8A00-8A0Z)
• Stereotyped movement disorder  (6A06)
• Tic disorders  (8A05)
• Essential tremor or related tremors  (8A04.1)
• Intention tremor  (MB45.4)

code elsewhere

• Tremor due to certain specified central nervous system diseases  (8A04.33)

sections/codes in this section (MB46-MB46)

• Asterixis  (MB46.0)
• Abnormal head movements  (MB46.1)
• Athetosis  (MB46.2)
• Drop attack  (MB46.3)
• Titubation  (MB46.4)
• Shuddering  (MB46.5)
• Other specified abnormal involuntary movements  (MB46.Y)
• Abnormal involuntary movements, unspecified  (MB46.Z)

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