F21
ICD-10BillableSchizotypal disorder
Official ICD-10-CM descriptor (FY2026)
Schizotypal disorder
F21 is valid for submission on a claim: CMS flags it as a billable, specific code.
Inclusion terms
- Borderline schizophrenia
- Latent schizophrenia
- Latent schizophrenic reaction
- Prepsychotic schizophrenia
- Prodromal schizophrenia
- Pseudoneurotic schizophrenia
- Pseudopsychopathic schizophrenia
- Schizotypal personality disorder
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- Asperger's syndrome (F84.5)
- schizoid personality disorder (F60.1)
Where this code sits
Krasyn Codes for Chrome
Review coding suggestions beside a validated web workflow. Private pilot.
Request pilot accessSource
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.