Specific code 2014 ICD-9-CM Diagnosis Code 298.8
Other and unspecified reactive psychosis
  • Billable Code
  • Short description: React psychosis NEC/NOS.
  • ICD-9-CM 298.8 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 298.8 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Abnormal motivation
  • Absent minded
  • Acceptance of illness
  • Adjunctive behavior
  • Altered thought processes
  • Boredom
  • Brief reactive psychosis
  • Difficulty analysing information
  • Difficulty processing information accurately
  • Difficulty processing information at normal speed
  • Disturbance in intuition
  • Disturbance in structure of associations
  • D�j� vu
  • Exaltation
  • Extrasensory perception
  • Fantasizing
  • Feeling guilt
  • Flight of ideas
  • Hyperactive behavior
  • Hyperemotivity
  • Laughing
  • Macropolycytosis
  • Mental distress
  • Mentally vague
  • Neologism
  • Noesis
  • Not aware of danger from deep water
  • Out of body experience
  • Post-trauma response
  • Preoccupation of thought
  • Projection - mental defense mechanism
  • Psychogenic stupor
  • Psychotic disorder, brief
  • Qi-gong psychotic reaction
  • Reactive psychoses
  • Reactive psychosis
  • Role playing
  • Thought alienation
  • Turning against the self - mental defense mechanism
  • Unable to analyze information
  • Unable to process information accurately
  • Unable to process information at normal speed
  • Unconscious fantasy
  • Unio mystica
298.8 Excludes
  • acute hysterical psychosis (298.1)
Applies To
  • Brief psychotic disorder
  • Brief reactive psychosis NOS
  • Hysterical psychosis
  • Psychogenic psychosis NOS
  • Psychogenic stupor
Convert to ICD-10-CM: 298.8 converts approximately to:
  • 2014 ICD-10-CM F23 Brief psychotic disorder
ICD-9-CM Volume 2 Index entries containing back-references to 298.8:
  • Disorder - see also Disease
    • mental (nonpsychotic) 300.9
      • affecting management of pregnancy, childbirth, or puerperium 648.4
      • drug-induced 292.9
        • hallucinogen persisting perception 292.89
        • specified type NEC 292.89
      • due to or associated with
      • induced by drug 292.9
      • neurotic (see also Neurosis) 300.9
      • of infancy, childhood or adolescence 313.9
      • persistent
        • other
          • due to conditions classified elsewhere 294.8
        • unspecified
          • due to conditions classified elsewhere 294.9
      • presenile 310.1
      • previous, affecting management of pregnancy V23.89
      • psychoneurotic (see also Neurosis) 300.9
      • psychotic (see also Psychosis) 298.9
      • specific, following organic brain damage 310.9
        • cognitive or personality change of other type 310.1
        • frontal lobe syndrome 310.0
        • postconcussional syndrome 310.2
        • specified type NEC 310.89
      • transient
        • in conditions classified elsewhere 293.9
    • psychotic (see also Psychosis) 298.9
      • brief 298.8
  • Involution, involutional - see also condition
    • psychosis 298.8
  • Menopause, menopausal (symptoms) (syndrome) 627.2
    • psychosis NEC 298.8
  • Psychosis 298.9
    • brief reactive 298.8
    • climacteric (see also Psychosis, involutional) 298.8
    • hysterical 298.8
    • incipient 298.8
      • schizophrenic (see also Schizophrenia) 295.5
    • involutional 298.8
    • menopausal (see also Psychosis, involutional) 298.8
    • reactive (emotional stress) (psychological trauma) 298.8
    • situational (reactive) 298.8
  • Stupor 780.09
    • psychogenic 298.8
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 298.8 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.