All ICD10 Codes
F21Billable

Schizotypal disorder

Mental, Behavioral and Neurodevelopmental Disorders·Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)·category·FY 2026

CH5 Parent Instructions

Includes
  • disorders of psychological development
Excludes2(Not included here. Code separately if applicable.)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Instructional Notes

Includes
  • Borderline schizophrenia
  • Latent schizophrenia
  • Latent schizophrenic reaction
  • Prepsychotic schizophrenia
  • Prodromal schizophrenia
  • Pseudoneurotic schizophrenia
  • Pseudopsychopathic schizophrenia
  • Schizotypal personality disorder
Excludes2(Not included here. Code separately if applicable.)
  • Asperger's syndrome (F84.5)
  • schizoid personality disorder (F60.1)

Clinical Hierarchy

BillableHas subcodes
CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F20-F29Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)
F21Schizotypal disorderBillable

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 883
Disorders of Personality and Impulse Control