ICD-10-CM · Chapter 5 · F01-F99
F21 Schizotypal disorder
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