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F29 - Unspecified psychosis not due to a substance or known physiological condition


The ICD 10 Code for Unspecified psychosis not due to a substance or known physiological condition is listed as F29.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: F29
Description: Unspecified psychosis not due to a substance or known physiological condition
  • Psychosis NOS
  • Excludes1: mental disorder NOS (F99)
  • unspecified mental disorder due to known physiological condition (F09)
  • Mood [affective] disorders (F30-F39)
Diagnostic Related Groups
(MS-DRG v30.0)
885 - Psychoses
974 - Hiv W Major Related Condition W Mcc
975 - Hiv W Major Related Condition W Cc
976 - Hiv W Major Related Condition W/o Cc/mcc
Chapter Mental and behavioral disorders (F01-F99)
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 298.9 - Unspecified psychosis (approximate)