298.9 PSYCHOSIS NOS

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Code Information

Diagnosis Code: 298.9

Short Description: Psychosis NOS

Long Description: Unspecified psychosis

Code Classification:

Mental disorders (290–319)
- Other psychoses (295-299)
  - 298 Other nonorganic psychoses
    - 298.9 Psychosis NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 298.9 has the following ICD-9-CM references to the Index of Diseases and Injuries

Alienation, mental (see also Psychosis) 298.9

Condition - see also Disease
- psychiatric 298.9

Confusion, confused (mental) (state) (see also State, confusional) 298.9
- acute 293.0
- epileptic 293.0
- postoperative 293.9
- psychogenic 298.2
- reactive (from emotional stress, psychological trauma) 298.2
- subacute 293.1

Derangement
- 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
    - brief 298.8
    - senile 290.20
- psychotic (see also Psychosis) 298.9
  - brief 298.8

Episode
- psychotic (see also Psychosis) 298.9
  - organic, transient 293.9

Hallucinosis 298.9
- alcohol-induced (acute) 291.3
- drug-induced 292.12

Insanity, insane (see also Psychosis) 298.9
- adolescent (see also Schizophrenia) 295.9
- alternating (see also Psychosis, affective, circular) 296.7
- confusional 298.9
  - acute 293.0
  - subacute 293.1
- delusional 298.9
- paralysis, general 094.1
  - progressive 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) 298.9
- myxedema (acute) 293.0
  - subacute 293.1

Mental - 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
  - drug-induced 292.84
  - due to or associated with physical condition 293.9
  - involutional 293.83
    - recurrent episode 296.3
    - single episode 296.2
  - manic-depressive 296.80
    - circular (alternating) 296.7
      - currently depressed 296.5
      - currently manic 296.4
    - depressed type 296.2
      - atypical 296.82
      - recurrent episode 296.3
      - single episode 296.2
    - manic 296.0
      - atypical 296.81
      - recurrent episode 296.1
      - single episode 296.0
    - mixed type NEC 296.89
    - specified type NEC 296.89
  - senile 290.21
  - specified type NEC 296.99
- alcoholic 291.9
  - with
    - anxiety 291.89
    - delirium tremens 291.0
    - delusions 291.5
    - dementia 291.2
    - hallucinosis 291.3
    - jealousy 291.5
    - mood disturbance 291.89
    - paranoia 291.5
    - persisting amnesia 291.1
    - sexual dysfunction 291.89
    - sleep disturbance 291.89
  - amnestic confabulatory 291.1
  - delirium tremens 291.0
  - hallucinosis 291.3
  - Korsakoff's, Korsakov's, Korsakow's 291.1
  - paranoid type 291.5
  - pathological intoxication 291.4
  - polyneuritic 291.1
  - specified type NEC 291.89
- alternating (see also Psychosis, manic-depressive, circular) 296.7
- anergastic (see also Psychosis, organic) 294.9
- arteriosclerotic 290.40
  - with
    - acute confusional state 290.41
    - delirium 290.41
    - delusions 290.42
    - depressed mood 290.43
  - depressed type 290.43
  - paranoid type 290.42
  - simple type 290.40
  - uncomplicated 290.40
- atypical 298.9
  - depressive 296.82
  - manic 296.81
- borderline (schizophrenia) (see also Schizophrenia) 295.5
  - of childhood (see also Psychosis, childhood) 299.8
    - prepubertal 299.8
- brief reactive 298.8
- childhood, with origin specific to 299.9
  - atypical 299.8
  - specified type NEC 299.8
- circular (see also Psychosis, manic-depressive, circular) 296.7
- climacteric (see also Psychosis, involutional) 298.8
- confusional 298.9
  - acute 293.0
  - reactive 298.2
  - subacute 293.1
- depressive (see also Psychosis, affective) 296.2
  - atypical 296.82
  - involutional 296.2
    - with hypomania (bipolar II) 296.89
    - recurrent episode 296.3
    - single episode 296.2
  - psychogenic 298.0
  - reactive (emotional stress) (psychological trauma) 298.0
  - recurrent episode 296.3
    - with hypomania (bipolar II) 296.89
  - single episode 296.2
- disintegrative, childhood (see also Psychosis, childhood) 299.1
- drug 292.9
  - with
    - affective syndrome 292.84
    - amnestic syndrome 292.83
    - anxiety 292.89
    - delirium 292.81
      - withdrawal 292.0
    - delusions 292.11
    - dementia 292.82
    - depressive state 292.84
    - hallucinations 292.12
    - hallucinosis 292.12
    - mood disorder 292.84
    - mood disturbance 292.84
    - organic personality syndrome NEC 292.89
    - sexual dysfunction 292.89
    - sleep disturbance 292.89
    - withdrawal syndrome (and delirium) 292.0
  - affective syndrome 292.84
  - delusions 292.11
  - hallucinatory state 292.12
  - hallucinosis 292.12
  - paranoid state 292.11
  - specified type NEC 292.89
  - withdrawal syndrome (and delirium) 292.0
- 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
  - recurrent episode 296.1
  - single episode 296.0
- hysterical 298.8
  - acute 298.1
- incipient 298.8
  - schizophrenic (see also Schizophrenia) 295.5
- induced 297.3
- infantile (see also Psychosis, childhood) 299.0
- infective 293.9
  - acute 293.0
  - subacute 293.1
- in
  - conditions classified elsewhere
    - with
      - delusions 293.81
      - hallucinations 293.82
  - pregnancy, childbirth, or puerperium 648.4
- interactional (childhood) (see also Psychosis, childhood) 299.1
- involutional 298.8
  - depressive (see also Psychosis, affective) 296.2
    - recurrent episode 296.3
    - single episode 296.2
  - melancholic 296.2
    - recurrent episode 296.3
    - single episode 296.2
  - paranoid state 297.2
  - paraphrenia 297.2
- Korsakoff's, Korakov's, Korsakow's (nonalcoholic) 294.0
  - alcoholic 291.1
- mania (phase) (see also Psychosis, affective) 296.0
  - recurrent episode 296.1
  - single episode 296.0
- manic (see also Psychosis, affective) 296.0
  - atypical 296.81
  - recurrent episode 296.1
  - single episode 296.0
- manic-depressive 296.80
  - circular 296.7
    - currently
      - depressed 296.5
      - manic 296.4
    - mixed 296.6
  - depressive 296.2
    - recurrent episode 296.3
      - with hypomania (bipolar II) 296.89
    - single episode 296.2
  - hypomanic 296.0
    - recurrent episode 296.1
    - single episode 296.0
  - manic 296.0
    - atypical 296.81
    - recurrent episode 296.1
    - single episode 296.0
  - mixed NEC 296.89
  - perplexed 296.89
  - stuporous 296.89
- 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
        acute (psychosis) 293.0
        
        subacute (psychosis) 293.1
      - Jakob-Creutzfeldt 046.19
        with behavioral disturbance 046.19 [294.11]
        
        without behavioral disturbance 046.19 [294.10]
        
        familial 046.19
        
        iatrogenic 046.19
        
        specified NEC 046.19
        
        sporadic 046.19
        
        variant 046.11
        with dementia
        with behavioral disturbance 046.11 [294.11]
        
        without behavioral disturbance 046.11 [294.10]
      - liver, alcoholic (see also Psychosis, alcoholic) 291.9
    - disorder
      - cerebrovascular
        acute (psychosis) 293.0
      - endocrine or metabolic 293.9
        acute (psychosis) 293.0
        
        subacute (psychosis) 293.1
    - epilepsy
      - with behavioral disturbance 345.9 [294.11]
      - without behavioral disturbance 345.9 [294.10]
      - transient (acute) 293.0
    - Huntington's chorea
      - with behavioral disturbance 333.4 [294.11]
      - without behavioral disturbance 333.4 [294.10]
    - infection
      - brain 293.9
        acute (psychosis) 293.0
        
        chronic 294.8
        
        subacute (psychosis) 293.1
      - intracranial NEC 293.9
        acute (psychosis) 293.0
        
        chronic 294.8
        
        subacute (psychosis) 293.1
    - intoxication
      - alcoholic (acute) (see also Psychosis, alcoholic) 291.9
        pathological 291.4
      - drug (see also Psychosis, drug) 292.9
    - ischemia
      - cerebrovascular (generalized) (see also Psychosis, arteriosclerotic) 290.40
    - Jakob-Creutzfeldt disease (syndrome) 046.19
      - with behavioral disturbance 046.19 [294.11]
      - without behavioral disturbance 046.19 [294.10]
      - variant 046.11
        with dementia
        with behavioral disturbance 046.11 [294.11]
        
        without behavioral disturbance 046.11 [294.10]
    - multiple sclerosis
      - with behavioral disturbance 340 [294.11]
      - without behavioral disturbance 340 [294.10]
    - physical condition NEC 293.9
      - with
        delusions 293.81
        
        hallucinations 293.82
    - presenility 290.10
    - puerperium - see Psychosis, puerperal
    - sclerosis, multiple
      - with behavioral disturbance 340 [294.11]
      - without behavioral disturbance 340 [294.10]
    - senility 290.20
    - status epilepticus
      - with behavioral disturbance 345.3 [294.11]
      - without behavioral disturbance 345.3 [294.10]
    - trauma
      - brain (birth) (from electrical current) (surgical) 293.9
        acute (psychosis) 293.0
        
        chronic 294.8
        
        subacute (psychosis) 293.1
    - unspecified physical condition 293.9
      - with
        delusions 293.81
        
        hallucinations 293.82
  - infective 293.9
    - acute (psychosis) 293.0
    - subacute 293.1
  - posttraumatic 293.9
    - acute 293.0
    - subacute 293.1
  - specified type NEC 294.8
  - transient 293.9
    - with
      - anxiety 293.84
      - delusions 293.81
      - depression 293.83
      - hallucinations 293.82
    - depressive type 293.83
    - hallucinatory type 293.82
    - paranoid type 293.81
    - specified type NEC 293.89
- paranoic 297.1
- paranoid (chronic) 297.9
  - alcoholic 291.5
  - chronic 297.1
  - climacteric 297.2
  - involutional 297.2
  - menopausal 297.2
  - protracted reactive 298.4
  - psychogenic 298.4
    - acute 298.3
  - schizophrenic (see also Schizophrenia) 295.3
  - senile 290.20
- paroxysmal 298.9
  - senile 290.20
- 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
  - depressive 298.0
  - paranoid 298.4
    - acute 298.3
- puerperal
  - specified type - see categories 295-298
  - unspecified type 293.89
    - acute 293.0
    - chronic 293.89
    - subacute 293.1
- reactive (emotional stress) (psychological trauma) 298.8
  - brief 298.8
  - confusion 298.2
  - depressive 298.0
  - excitation 298.1
- schizo-affective (depressed) (excited) (see also Schizophrenia) 295.7
- schizophrenia, schizophrenic (see also Schizophrenia) 295.9
  - borderline type 295.5
    - of childhood (see also Psychosis, childhood) 299.8
  - catatonic (excited) (withdrawn) 295.2
  - childhood type (see also Psychosis, childhood) 299.9
  - hebephrenic 295.1
  - incipient 295.5
  - latent 295.5
  - paranoid 295.3
  - prepsychotic 295.5
  - prodromal 295.5
  - pseudoneurotic 295.5
  - pseudopsychopathic 295.5
  - schizophreniform 295.4
  - simple 295.0
  - undifferentiated type 295.9
- schizophreniform 295.4
- senile NEC 290.20
  - with
    - delusional features 290.20
    - depressive features 290.21
  - depressed type 290.21
  - paranoid type 290.20
  - simple deterioration 290.20
  - specified type - see categories 295-298
- 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
    - recurrent episode 296.3
    - single episode 296.2

State
- confusional 298.9
  - acute 293.0
    - with
      - arteriosclerotic dementia 290.41
      - presenile brain disease 290.11
      - senility 290.3
    - alcoholic 291.0
    - drug-induced 292.81
  - epileptic 293.0
  - postoperative 293.9
  - reactive (emotional stress) (psychological trauma) 298.2
  - subacute 293.1

Stupor 780.09
- mental (anergic) (delusional) 298.9

Unsoundness of mind (see also Psychosis) 298.9

Vesania (see also Psychosis) 298.9

Crosswalk Information

The code 298.9 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
298.9		F29	Unsp psychosis not due to a substance or known physiol cond

This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code	ICD-9 Description
298.0	Depressive type psychosis
298.1	Excitative type psychosis
298.2	Reactive confusion
298.3	Acute paranoid reaction
298.4	Psychogenic paranoid psychosis
298.8	Other and unspecified reactive psychosis

This page was last updated on: 10/1/2014

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