F28

Billable
ChapterF01–F99
Rankcategory
Description

Other psychotic disorder not due to a substance or known physiological condition

About ICD-10-CM code F28

F28 is the ICD-10-CM diagnosis code for Other psychotic disorder not due to a substance or known physiological condition. It sits in F01-F99 Mental, Behavioral and Neurodevelopmental Disorders, within Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29). As a billable code, F28 can be reported for reimbursement.

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

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
  • Chronic hallucinatory psychosis
  • Other specified schizophrenia spectrum and other psychotic disorder

Clinical Hierarchy

BillableHas subcodes
CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F20-F29Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)
F28Other psychotic disorder not due to a substance or known physiological conditionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F28:

chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

MS-DRG Classification

2026 v43.1

Cross Reference

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