ICD-10-CM > F01-F99 > F20-F29 > F23 F23 Brief psychotic disorder Billable/Specific Copy Code Copy Description Applicable To Paranoid reactionPsychogenic paranoid psychosis Type 2 Excludes mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)