All ICD10 Codes

F29

Billable
ChapterF01–F99
Rankcategory
Official Description

Unspecified psychosis not due to a substance or known physiological condition

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
  • Psychosis NOS
  • Unspecified schizophrenia spectrum and other psychotic disorder
Excludes1(Not coded here. Use a different code.)
  • mental disorder NOS (F99)
  • unspecified mental disorder due to known physiological condition (F09)

Clinical Hierarchy

BillableHas subcodes
CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F20-F29Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)
F29Unspecified psychosis not due to a substance or known physiological conditionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F29:

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

MS-DRG Classification

2026 v43.1

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

DRG 885
Psychoses
DRG 974
HIV with Major Related Condition with MCC
DRG 975
HIV with Major Related Condition with CC
DRG 976
HIV with Major Related Condition without CC/MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Unspecified psychosis not due to a substance or known physiological condition.

Search PCS Codes