299 Pervasive developmental disorders
299.0 Autistic disorder
299.00 Autistic disorder current or active state
299.01 Autistic disorder residual state
299.9 Unspecified pervasive developmental disorder
299.90 Unspecified pervasive developmental disorder current or active state
299.91 Unspecified pervasive developmental disorder residual state
F84.0 Autistic disorder
F84.9 Pervasive developmental disorder unspecified
F84.5 Asperger syndrome
F84.8 Other pervasive developmental disorders
F84.9 Pervasive developmental disorder, unspecified
PREFERRED PRACTICE PATTERN
Differential Diagnostic Features of Autism and Nonautistic Pervasive Developmental Disorders
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TABLE 231-1 Differential Diagnostic Features of Autism and Nonautistic Pervasive Developmental Disorders
|Feature ||Autistic Disorder ||Asperger’s Syndrome ||Rett Syndrome ||Pervasive Developmental Disorder NOSa |
|Age at recognition (months) ||0–36 ||Usually >36 ||5–30 ||Variable |
|Sex ratio ||M > F ||M > F ||F >> M ||M > F |
|Loss of skills after initial mastery ||Variable ||Usually not ||Marked ||Usually not |
|Social skills ||Very poor ||Poor ||Vary with stage ||Variable |
|Communication skills ||Usually poor ||Fair ||Very poor ||Fair to good |
|Circumscribed interests ||Variable (mechanical) ||Marked (facts) ||NA ||Variable |
|Eye contact ||Very poor ||Variable ||Varies with stage ||Variable |
|Family history of similar problems ||Sometimes ||Frequent ||Not usually ||Unknown |
|Seizure disorder ||Common ||Uncommon ||Frequent ||Uncommon |
|Head growth decelerates ||No ||No ||Yes ||No |
|IQ range ||Severe MR to normal ||Mild MR to normal ||Severe MR ||Severe MR to normal |
|Outcome ||Poor to good ||Fair to good ||Very poor ||Fair to good |
A 3-year-old male is referred to physical therapy for poor coordination. His mother reports he was born full term via vaginal delivery with no difficulty with pregnancy or delivery. As an infant, he seldom made eye contact and disliked being held. His mother states “I don’t think he likes me.” ...
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