F21 SCHIZOTYPAL DISORDER

Code Information

Diagnosis Code: F21
Short Description: Schizotypal disorder
Long Description: Schizotypal disorder
Code Version: 2025 ICD-10-CM

The code F21 is VALID for claim submission

Code Classification

Mental and behavioural disorders (F01–F99)
- Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)
  - Schizotypal disorder (F21)

Synonyms

Cluster A personality disorder
Cluster A personality disorder
Cluster A personality disorder
Latent schizophrenia
Latent schizophrenia in remission
Schizophrenia in remission
Schizophrenic prodrome
Schizotypal personality disorder

References to Index of Diseases and Injuries

The code F21 has the following ICD-10-CM references to the Index of Diseases and Injuries

Inclusion Terms:
- Borderline schizophrenia
- Latent schizophrenia
- Latent schizophrenic reaction
- Prepsychotic schizophrenia
- Prodromal schizophrenia
- Pseudoneurotic schizophrenia
- Pseudopsychopathic schizophrenia
- Schizotypal personality disorder
Type 2 Excludes Notes:
- Asperger's syndrome (@F84.5*)
- schizoid personality disorder (@F60.1*)

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
F21		301.22	Schizotypal person dis

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

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This page was last updated on: 10/1/2025

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