F28

Billable
ChapterF01–F99
Rankcategory
Official Description

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

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • 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)
  • 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

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 condition

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

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to F28. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths

MS-DRG Classification

2026 v43.1

Cross Reference

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