Upper level: b789  Movement functions, other specified and unspecified

b765  Involuntary movement functions

Functions of unintentional, non- or semi-purposive involuntary contractions of a muscle or group of muscles.

Inclusions: involuntary contractions of muscles; impairments such as tremors, tics, mannerisms, stereotypies, motor perseveration, chorea, athetosis, vocal tics, dystonic movements and dyskinesia

Exclusions: control of voluntary movement functions (b760); gait pattern functions (b770)

Lower livel:

• b7650  Involuntary contractions of muscles

• b7651  Tremor

• b7652  Tics and mannerisms

• b7653  Stereotypies and motor perseveration

• b7658  Involuntary movement functions, other specified

• b7659  Involuntary movement functions, unspecified

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