Diagnostic criteria and codes - Communication Disorders - schizophrenia

4 important questions on Diagnostic criteria and codes - Communication Disorders - schizophrenia

What is criteria A for schizophrenia?

Two or more symptoms, each at significantly present during 1 month, or less when treated: At least one must be 1,2 or 3. (Criterion A)
  1. Delusions
  2. Hallucinations
  3. Disorganized speech
  4. Grossly disorganized or catatonic behaviour
  5. Negative symptoms (diminished emotional expression) 

What is criteria B for schizophrenia?

Level of functioning in at least one major area is below level prior to onset. (childhood or adolescent development: failure in achieving expected level of functioning)

What is criteria C for schizophrenia?

Continuous signs > 6 months. May include periods of less or attenuated symptoms
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What is criteria F for schizophrenia?

if there is a history of ASS or a communication disorder, delusions or hallucinations must be prominent and >1 month

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