Definitions and Classification of TIC Disorders: table 1
Classification of Tic Syndromes
Definite Tourette Syndrome (A-1)
- Both multiple motor and one or more vocal tics have been present at some time during the illness, although not necessarily concurrently
- The tics occur many times a day, nearly every day, or intermittently throughout a period of more than a year
- The anatomic location, number, frequency, complexity, type, severity of tics changes over time
- Onset before age 21
- Involuntary movements and noises cannot be explained by other medical conditions
- Motor and/or vocal tics must be witnessed by a reliable examiner directly at some point in the illness or be recorded by videotape or cinematography
Tourette Syndrome by History (A-2)
- Both multiple motor and one or more vocal tics have been present at some time during the illness, although not necessarily concurrently
- The tics occur many times a day (usually in bouts), nearly every day, or intermittently throughout a period of more than a year
- The anatomic location, number, frequency, complexity, or severity of tics changes over time
- Onset before age 21
- Involuntary movements and noises cannot be explained by other medical conditions
- Tics not witnessed by a reliable examiner, but tics were witnessed by a reliable family member or close friend, and description of tics as demonstrated is accepted by reliable examiner
Definite Chronic Multiple Motor Tic or Phonic Tic Disorder (B-1)
- Either multiple motor or vocal tics, but not both, have been present at some time during the illness
- The tics occur many times a day, nearly every day, or intermittently throughout a period of more than a year
- The anatomic location, number, frequency, complexity, or severity of tics changes over time
- Onset before age 21
- Involuntary movements and noises cannot be explained by other medical conditions
- Motor and/or vocal tics must be witnessed by a reliable examiner directly at some point in the illness or by videotape or cinematography
Chronic Multiple Motor Tic or Phonic Tic by History (B-2)
- Either multiple motor or vocal tics, but not both, have been present at some time during illness
- The tics occur many times a day, nearly every day, or intermittently throughout a period of more than a year
- The anatomic location, number, frequency, complexity, or severity of tics changes over time
- Onset before age 21
- Involuntary movements and noises cannot be explained by other medical conditions
- Tics not witnessed by a reliable examiner, but tics were witnessed by a reliable family member or close friend, and description of tics as demonstrated is accepted by reliable examiner
Chronic Single Tic Disorder (C)
- Same as in B, but with single motor or vocal tic
Definite Transient Tic Disorder (D-1)
- Single or multiple motor and/or vocal tics
- The tics occur many times a day, nearly every day for at least 2 weeks, but for no longer than 12 consecutive months, although the disorder began over a year ago
- The anatomic location, number, frequency, complexity, or severity of tics changes over time
- No history of Tourette syndrome or chronic motor or vocal tic disorders
- Onset before age 21
- Motor and/or vocal tics must be witnessed by a reliable examiner directly at some point in the illness or by videotape or cinematography
Transient Tic Disorder by History (D-2)
- Single or multiple motor and/or vocal tics
- The tics occur many times a day, nearly every day for at least 2 weeks, but not for longer than 12 consecutive months
- No history of Tourette syndrome or chronic motor or vocal tic disorders
- Onset before age 21
- Tics were not witnessed by a reliable examiner, but tics were witnessed by a reliable family member or close friend, and description of tics as demonstrated is accepted by a reliable examiner
Definite Nonspecific Tic Disorder (E-1)
- Tics that do not meet the criteria for a specific tic disorder; an example would be a tic disorder with the tics lasting less than 1 year, and without any change over that period of time
- Motor and/or vocal tics must be witnessed by a reliable examiner directly at some point in the ilness or by videotape or cinematography
Nonspecific Tic Disorder by History (E-2)
- Tics that do not meet the criteria for a specific tic disorder; an example would be a tic disorder with the tics lasting less than 1 year, and without any change over that period of time
- Tics were not witnessed by a reliable examiner, but tics were witnessed by a reliable family member or close friend, and description of tics as demonstrated is accepted by a reliable examiner
Definite Tic Disorder, Diagnosis Deferred (F)
- Meets all criteria of definite Tourette syndrome (first definition), but duration of illness has not yet extended to 1 year
Probable Tourette Syndromes (G)
- Type 1: Fulfills all criteria for definite Tourette syndrome (first definition) completely, but excludes the third and fourth criteria
- Type 2: Fulfulls all criteria for definite Tourette syndrome (first definition) except for the first criterion; this type can be either a single motor tic with vocal tics or multiple motor tics with possible vocal tic(s)
Probable Multiple Tic Disorder - Motor and/or Vocal (H)
- Fulfills all criteria for definite multiple tic disorder (second definition) completely, except for the third and/or fourth criteria
|
