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Rett's Disorder Symptoms and DSM-IV Diagnosis

Rett's Disorder Symptoms and Diagnosis Overview:

Rett's Disorder symptoms and diagnostic criteria follow below. While some of these Rett's Disorder symptoms may be recognized by family, teachers, legal and medical professionals,  and others, only  properly trained mental health professionals (psychologists, psychiatrists, professional counselors etc.) can or should even attempt to make a mental health diagnosis. Many additional factors are considered in addition to the  Rett's Disorder symptoms in making proper diagnosis, including frequently medical and psychological testing considerations. This information on  Rett's Disorder symptoms and diagnostic criteria are for information purposes only and should never replace the judgement and comprehensive assessment of a trained mental health clinician. 


Diagnostic criteria for 299.80 Rett's Disorder          

A.  All of the following:

(1)   apparently normal prenatal and perinatal development

(2)      apparently normal psychomotor development through the first 5 months after birth

(3)                 normal  head circumference at birth

B. Onset of all of the following after the period of normal development:

                (1)   deceleration of head growth between ages 5 and 48 months

(2)        loss of previously acquired purposeful hand skills between ages 5 and 30 months with the subsequent development of stereotyped hand movements (e.g., hand-wringing or hand washing)


(3)      loss of social engagement early in the course (although  often social interaction develops later)


(4)      appearance of poorly coordinated gait or trunk movements


(5)      severely impaired expressive and receptive language     development with severe psychomotor retardation

Also, See: Other Disorders Usually First Diagnosed in Infancy, Childhood, or Adolescence

Other Mental Health Diagnostic Symptoms and Criteria

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