ICD-10-CM F21 is the diagnosis code for Schizotypal disorder. This code falls under the section "Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders" within Chapter 5 â Mental, Behavioral and Neurodevelopmental disorders (F01-F99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in F21. If the patient has both, code each condition separately:
Understanding where F21 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F21 is the ICD-10-CM diagnosis code for "Schizotypal disorder". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
F21 is located in Section F20-F29 â "Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders" within Chapter 5 of the ICD-10-CM Tabular List.
Use F21 when the patients documented diagnosis matches "Schizotypal disorder" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Schizotypal disorder is F21.
Yes, F21 can be used as a primary diagnosis code since it is billable and specific.
F21 is in Chapter 5 of the ICD-10-CM Tabular List.
Yes, F21 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.