Diagnostic criteria for 315.31 Expressive Language Disorder
(cautionary statement)
A. The scores obtained from standardized individually administered
measures of expressive language development are substantially below those
obtained from standardized measures of both nonverbal intellectual
capacity and receptive language development. The disturbance may be
manifest clinically by symptoms that include having a markedly limited
vocabulary, making errors in tense, or having difficulty recalling words
or producing sentences with developmentally appropriate length or
complexity.
B. The difficulties with expressive language interfere with academic or
occupational achievement or with social communication.
C. Criteria are not met for Mixed Receptive-Expressive Language Disorder
or a Pervasive Developmental Disorders.
D. If Mental Retardation, a speech-motor or sensory deficit, or
environmental deprivation is present, the language difficulties are in
excess of those usually associated with these problems.
Coding note: If a speech-motor or sensory deficit or a
neurological condition is present, code the condition on Axis III.
Reprinted with permission from the Diagnostic
and Statistical Manual of Mental Disorders, fourth Edition. Copyright 1994 American
Psychiatric Association
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