Convert to ICD-10-CM: 
293.1 converts approximately to:
- 2015/16 ICD-10-CM F05 Delirium due to known physiological condition
 ICD-9-CM Volume 2 Index entries containing back-references to 
293.1:
- Confusion, confused (mental) (state) (see also State, confusional) 298.9  subacute 293.1 subacute 293.1
 
- Delirium, delirious 780.09  subacute (psychotic) 293.1 subacute (psychotic) 293.1
 
- Insanity, insane (see also Psychosis) 298.9 
- Madness (see also Psychosis) 298.9  myxedema (acute) 293.0 myxedema (acute) 293.0   subacute 293.1 subacute 293.1
 
 
- Myxedema (adult) (idiocy) (infantile) (juvenile) (thyroid gland) (see also Hypothyroidism) 244.9  madness (acute) 293.0 madness (acute) 293.0   subacute 293.1 subacute 293.1
 
 
- Psychosis 298.9  organic NEC 294.9 organic NEC 294.9   due to or associated with due to or associated with   addiction addiction    alcohol (see also Psychosis, alcoholic) 291.9 alcohol (see also Psychosis, alcoholic) 291.9 
    drug (see also Psychosis, drug) 292.9 drug (see also Psychosis, drug) 292.9 
 
   alcohol intoxication, acute (see also Psychosis, alcoholic) 291.9 alcohol intoxication, acute (see also Psychosis, alcoholic) 291.9 
   alcoholism (see also Psychosis, alcoholic) 291.9 alcoholism (see also Psychosis, alcoholic) 291.9 
   arteriosclerosis (cerebral) (see also Psychosis, arteriosclerotic) 290.40 arteriosclerosis (cerebral) (see also Psychosis, arteriosclerotic) 290.40 
   cerebrovascular disease cerebrovascular disease    acute (psychosis) 293.0 acute (psychosis) 293.0 
    arteriosclerotic (see also Psychosis, arteriosclerotic) 290.40 arteriosclerotic (see also Psychosis, arteriosclerotic) 290.40 
 
   childbirth - see Psychosis, puerperal childbirth - see Psychosis, puerperal
   dependence dependence    alcohol (see also Psychosis, alcoholic) 291.9 alcohol (see also Psychosis, alcoholic) 291.9 
    drug 292.9 drug 292.9 
 
   disease disease    alcoholic liver (see also Psychosis, alcoholic) 291.9 alcoholic liver (see also Psychosis, alcoholic) 291.9 
    brain brain     arteriosclerotic (see also Psychosis, arteriosclerotic) 290.40 arteriosclerotic (see also Psychosis, arteriosclerotic) 290.40 
 
    cerebrovascular cerebrovascular     acute (psychosis) 293.0 acute (psychosis) 293.0 
     arteriosclerotic (see also Psychosis, arteriosclerotic) 290.40 arteriosclerotic (see also Psychosis, arteriosclerotic) 290.40 
 
    endocrine or metabolic 293.9 endocrine or metabolic 293.9      acute (psychosis) 293.0 acute (psychosis) 293.0 
     subacute (psychosis) 293.1 subacute (psychosis) 293.1
 
    Jakob-Creutzfeldt (new variant) Jakob-Creutzfeldt (new variant)
    liver, alcoholic (see also Psychosis, alcoholic) 291.9 liver, alcoholic (see also Psychosis, alcoholic) 291.9 
 
   disorder disorder    cerebrovascular cerebrovascular
    endocrine or metabolic 293.9 endocrine or metabolic 293.9      acute (psychosis) 293.0 acute (psychosis) 293.0 
     subacute (psychosis) 293.1 subacute (psychosis) 293.1
 
 
   epilepsy epilepsy
   Huntington's chorea Huntington's chorea
   infection infection    brain 293.9 brain 293.9      acute (psychosis) 293.0 acute (psychosis) 293.0 
     chronic 294.8 chronic 294.8 
     subacute (psychosis) 293.1 subacute (psychosis) 293.1
 
    intracranial NEC 293.9 intracranial NEC 293.9      acute (psychosis) 293.0 acute (psychosis) 293.0 
     chronic 294.8 chronic 294.8 
     subacute (psychosis) 293.1 subacute (psychosis) 293.1
 
 
   intoxication intoxication    alcoholic (acute) (see also Psychosis, alcoholic) 291.9 alcoholic (acute) (see also Psychosis, alcoholic) 291.9 
    drug (see also Psychosis, drug) 292.9 drug (see also Psychosis, drug) 292.9 
 
   ischemia ischemia    cerebrovascular (generalized) (see also Psychosis, arteriosclerotic) 290.40 cerebrovascular (generalized) (see also Psychosis, arteriosclerotic) 290.40 
 
   Jakob-Creutzfeldt disease (syndrome) (new variant) Jakob-Creutzfeldt disease (syndrome) (new variant)
   multiple sclerosis multiple sclerosis
   physical condition NEC 293.9 physical condition NEC 293.9 
   presenility 290.10 presenility 290.10 
   puerperium - see Psychosis, puerperal puerperium - see Psychosis, puerperal
   sclerosis, multiple sclerosis, multiple
   senility 290.20 senility 290.20 
   status epilepticus status epilepticus
   trauma trauma    brain (birth) (from electrical current) (surgical) 293.9 brain (birth) (from electrical current) (surgical) 293.9      acute (psychosis) 293.0 acute (psychosis) 293.0 
     chronic 294.8 chronic 294.8 
     subacute (psychosis) 293.1 subacute (psychosis) 293.1
 
 
   unspecified physical condition 293.9 unspecified physical condition 293.9 
 
  infective 293.9 infective 293.9    acute (psychosis) 293.0 acute (psychosis) 293.0 
   subacute 293.1 subacute 293.1
 
  posttraumatic 293.9 posttraumatic 293.9    acute 293.0 acute 293.0 
   subacute 293.1 subacute 293.1
 
  specified type NEC 294.8 specified type NEC 294.8 
  transient 293.9 transient 293.9 
 
  puerperal puerperal  specified type - see categories 295 specified type - see categories 295 -298 -298 
  unspecified type 293.89 unspecified type 293.89 
 
 
- Reaction
- State confusional 298.9 confusional 298.9   acute 293.0 acute 293.0 
  epileptic 293.0 epileptic 293.0 
  postoperative 293.9 postoperative 293.9 
  reactive (emotional stress) (psychological trauma) 298.2 reactive (emotional stress) (psychological trauma) 298.2 
  subacute 293.1 subacute 293.1
 
 
- Subdelirium 293.1
- Syndrome - see also Disease brain (acute) (chronic) (nonpsychotic) (organic) (with behavioral reaction) (with neurotic reaction) 310.9 brain (acute) (chronic) (nonpsychotic) (organic) (with behavioral reaction) (with neurotic reaction) 310.9   with with   presenile brain disease (see also Dementia, presenile) 290.10 presenile brain disease (see also Dementia, presenile) 290.10 
   psychosis, psychotic reaction (see also Psychosis, organic) 294.9 psychosis, psychotic reaction (see also Psychosis, organic) 294.9 
 
  chronic alcoholic 291.2 chronic alcoholic 291.2 
  congenital (see also Retardation, mental) 319 congenital (see also Retardation, mental) 319 
  postcontusional 310.2 postcontusional 310.2 
  posttraumatic posttraumatic   nonpsychotic 310.2 nonpsychotic 310.2 
   psychotic 293.9 psychotic 293.9     acute 293.0 acute 293.0 
    chronic (see also Psychosis, organic) 294.8 chronic (see also Psychosis, organic) 294.8 
    subacute 293.1 subacute 293.1
 
 
  psycho-organic (see also Syndrome, psycho-organic) 310.9 psycho-organic (see also Syndrome, psycho-organic) 310.9 
  psychotic (see also Psychosis, organic) 294.9 psychotic (see also Psychosis, organic) 294.9 
  senile (see also Dementia, senile) 290.0 senile (see also Dementia, senile) 290.0