Coding and coverage · ICD-10-CM

F21 Schizotypal disorder

BillableCMS-HCC V28: HCC 153age >= 20153age < 20Chapter 5
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Instructional notes

Chapter 5

Excludes2Not included here: the patient may have both; report both when both are present.
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Includes
  • disorders of psychological development

This code

Excludes2Not included here: the patient may have both; report both when both are present.
  • Asperger's syndrome (F84.5)
  • schizoid personality disorder (F60.1)
Inclusion terms
  • Borderline schizophrenia
  • Latent schizophrenia
  • Latent schizophrenic reaction
  • Prepsychotic schizophrenia
  • Prodromal schizophrenia
  • Pseudoneurotic schizophrenia
  • Pseudopsychopathic schizophrenia
  • Schizotypal personality disorder

Chapter 5: Mental, Behavioral and Neurodevelopmental disorders · F20-F29 Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.