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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Other Psychoses 295-299 > Other Nonorganic Psychoses 298.* >

2007 ICD-9-CM Diagnosis 298.9

Unspecified psychosis

This code may be outdated. View the most recent version of ICD-9-CM 298.9

  • Disorders in which there is a loss of ego boundaries or a gross impairment in reality testing with delusions or prominent hallucinations. (From DSM-IV, 1994)
  • 298.9 is a specific code that can be used to specify a diagnosis
  • 298.9 contains 35 index entries
  • View the ICD-9-CM Volume 1 298.* hierarchy

298.9 also known as:

  • Atypical psychosis
  • Psychosis NOS
  • Psychotic disorder NOS

Index entries containing 298.9:

Alienation, mental (see also Psychosis) 298.9
Condition - see also Disease
  • psychiatric 298.9
Confusion, confused (mental) (state) (see also State, confusional) 298.9Derangement
  • mental (see also Psychosis) 298.9
Deterioration
  • mental (see also Psychosis) 298.9
Disease, diseased - see also Syndrome
  • mental (see also Psychosis) 298.9
  • psychiatric (see also Psychosis) 298.9
  • psychotic (see also Psychosis) 298.9
Disorder - see also Disease
  • mental (nonpsychotic) 300.9
    • psychotic (see also Psychosis) 298.9
  • psychotic (see also Psychosis) 298.9
Episode
  • psychotic (see also Psychosis) 298.9
Hallucinosis 298.9Insanity, insane (see also Psychosis) 298.9
  • adolescent (see also Schizophrenia) 295.9
  • alternating (see also Psychosis, affective, circular) 296.7
  • confusional 298.9
  • delusional 298.9
  • paralysis, general 094.1
  • paresis, general 094.1
  • senile 290.20
Loss
  • mind (see also Psychosis) 298.9
Lunacy (see also Psychosis) 298.9
Lycanthropy (see also Psychosis) 298.9
Madness (see also Psychosis) 298.9Mental - see also condition
  • deterioration (see also Psychosis) 298.9
Monomania (see also Psychosis) 298.9
Moria (see also Psychosis) 298.9
Nosomania 298.9
Parergasia 298.9
Psychosis 298.9
  • acute hysterical 298.1
  • affecting management of pregnancy, childbirth, or puerperium 648.4
  • affective (see also Disorder, mood) 296.90
  • alcoholic 291.9
  • alternating (see also Psychosis, manic-depressive, circular) 296.7
  • anergastic (see also Psychosis, organic) 294.9
  • arteriosclerotic 290.40
  • atypical 298.9
  • borderline (schizophrenia) (see also Schizophrenia) 295.5
    • of childhood (see also Psychosis, childhood) 299.8
  • brief reactive 298.8
  • childhood, with origin specific to 299.9
  • circular (see also Psychosis, manic-depressive, circular) 296.7
  • climacteric (see also Psychosis, involutional) 298.8
  • confusional 298.9
  • depressive (see also Psychosis, affective) 296.2
  • disintegrative, childhood (see also Psychosis, childhood) 299.1
  • drug 292.9
  • due to or associated with physical condition (see also Psychosis, organic) 294.9
  • epileptic NEC 293.9
  • excitation (psychogenic) (reactive) 298.1
  • exhaustive (see also Reaction, stress, acute) 308.9
  • hypomanic (see also Psychosis, affective) 296.0
  • hysterical 298.8
  • incipient 298.8
    • schizophrenic (see also Schizophrenia) 295.5
  • induced 297.3
  • infantile (see also Psychosis, childhood) 299.0
  • infective 293.9
  • in
    • conditions classified elsewhere
    • pregnancy, childbirth, or puerperium 648.4
  • interactional (childhood) (see also Psychosis, childhood) 299.1
  • involutional 298.8
  • Korsakoff's, Korakov's, Korsakow's (nonalcoholic) 294.0
  • mania (phase) (see also Psychosis, affective) 296.0
  • manic (see also Psychosis, affective) 296.0
  • manic-depressive 296.80
  • menopausal (see also Psychosis, involutional) 298.8
  • mixed schizophrenic and affective (see also Schizophrenia) 295.7
  • multi-infarct (cerebrovascular) (see also Psychosis, arteriosclerotic) 290.40
  • organic NEC 294.9
    • due to or associated with
      • addiction
        • alcohol (see also Psychosis, alcoholic) 291.9
        • drug (see also Psychosis, drug) 292.9
      • alcohol intoxication, acute (see also Psychosis, alcoholic) 291.9
      • alcoholism (see also Psychosis, alcoholic) 291.9
      • arteriosclerosis (cerebral) (see also Psychosis, arteriosclerotic) 290.40
      • cerebrovascular disease
        • acute (psychosis) 293.0
        • arteriosclerotic (see also Psychosis, arteriosclerotic) 290.40
      • childbirth - see Psychosis, puerperal
      • dependence
        • alcohol (see also Psychosis, alcoholic) 291.9
        • drug 292.9
      • disease
        • alcoholic liver (see also Psychosis, alcoholic) 291.9
        • brain
          • arteriosclerotic (see also Psychosis, arteriosclerotic) 290.40
        • cerebrovascular
          • acute (psychosis) 293.0
          • arteriosclerotic (see also Psychosis, arteriosclerotic) 290.40
        • endocrine or metabolic 293.9
        • Jakob-Creutzfeldt (new variant)
        • liver, alcoholic (see also Psychosis, alcoholic) 291.9
      • disorder
        • cerebrovascular
        • endocrine or metabolic 293.9
      • epilepsy
      • Huntington's chorea
      • infection
      • intoxication
        • alcoholic (acute) (see also Psychosis, alcoholic) 291.9
        • drug (see also Psychosis, drug) 292.9
      • ischemia
        • cerebrovascular (generalized) (see also Psychosis, arteriosclerotic) 290.40
      • Jakob-Creutzfeldt disease (syndrome) (new variant)
      • multiple sclerosis
      • physical condition NEC 293.9
      • presenility 290.10
      • puerperium - see Psychosis, puerperal
      • sclerosis, multiple
      • senility 290.20
      • status epilepticus
      • trauma
        • brain (birth) (from electrical current) (surgical) 293.9
      • unspecified physical condition 293.9
    • infective 293.9
    • posttraumatic 293.9
    • specified type NEC 294.8
    • transient 293.9
  • paranoic 297.1
  • paranoid (chronic) 297.9
  • paroxysmal 298.9
  • polyneuritic, alcoholic 291.1
  • postoperative 293.9
  • postpartum - see Psychosis, puerperal
  • prepsychotic (see also Schizophrenia) 295.5
  • presbyophrenic (type) 290.8
  • presenile (see also Dementia, presenile) 290.10
  • prison 300.16
  • psychogenic 298.8
  • puerperal
  • reactive (emotional stress) (psychological trauma) 298.8
  • schizo-affective (depressed) (excited) (see also Schizophrenia) 295.7
  • schizophrenia, schizophrenic (see also Schizophrenia) 295.9
  • schizophreniform 295.4
  • senile NEC 290.20
  • shared 297.3
  • situational (reactive) 298.8
  • symbiotic (childhood) (see also Psychosis, childhood) 299.1
  • toxic (acute) 293.9
Psychotic (see also condition) 298.9
  • episode 298.9
    • due to or associated with physical conditions (see also Psychosis, organic) 293.9
Reaction
  • psychotic (see also Psychosis) 298.9
    • depressive 298.0
    • due to or associated with physical condition (see also Psychosis, organic) 293.9
    • involutional (see also Psychosis, affective) 296.2
StateStupor 780.09
  • mental (anergic) (delusional) 298.9
Unsoundness of mind (see also Psychosis) 298.9
Vesania (see also Psychosis) 298.9