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F21

Schizotypal disorder

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 3 never code together
F21code
Excludes2
F01-F99chapter
Excludes2
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 9
F21code
Inclusion terms
  • Borderline schizophrenia
  • Latent schizophrenia
  • Latent schizophrenic reaction
  • Prepsychotic schizophrenia
  • Prodromal schizophrenia
  • Pseudoneurotic schizophrenia
  • Pseudopsychopathic schizophrenia
  • Schizotypal personality disorder
F01-F99chapter
Includes
  • disorders of psychological development
Index entries leading here 3
  • Schizophrenia, schizophrenic F20.9
    • borderline F21
    • incipient F21
    • latent F21
    • prepsychotic F21
    • prodromal F21
    • pseudoneurotic F21
    • pseudopsychopathic F21
  • Disorder (of) — see also Disease
    • personality F60.9
      • schizotypal F21
    • schizotypal (personality) F21
  • Reaction — see also Disorder
    • schizophrenic F23
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

CMS28HCC153 ESRD24HCC60 RX08HCC133

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This code

Billable
yes
Code set
FY2026
Block
F20-F29

Present FY2024–FY2027.