F21 Schizotypal disorder

Billable

Block: Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)

Includes

  • Borderline schizophrenia
  • Latent schizophrenia
  • Latent schizophrenic reaction
  • Prepsychotic schizophrenia
  • Prodromal schizophrenia
  • Pseudoneurotic schizophrenia
  • Pseudopsychopathic schizophrenia
  • Schizotypal personality disorder

Excludes 2 (not included here)

  • Asperger's syndrome (F84.5)
  • schizoid personality disorder (F60.1)
This category is a complete, billable diagnosis code.

No additional specificity is required — submit F21 directly on claims and documentation without a subcode extension.

Last reviewed: September 2026