California State University, Northridge



Mental Disorders Due to a General Medical Condition

These mental disorders are characterized by the presence of mental symptoms that are judged to be the direct physiological consequence of a general medical condition.

The term general medical condition refers to conditions that are coded on Axis III and that are listed outside the (Mental Disorders( chapter of the ICD (see Appendix G).

There are three diagnoses in this section:

1. Catatonic Disorder Due to a General Medical Condition

2. Personality Change Due to a General Medical Condition

3. Mental Disorder NOS Due to a General Medical Condition

The eight other Mental Disorders Due to a General Medical Condition are listed in other sections of the DSM-IV. They are:

4. Delirium Due to a General Medical Condition (p. 143)

5. Dementia Due to a General Medical Condition (p. 167)

6. Amnestic Disorder Due to a General Medical Condition (p. 175)

7. Psychotic Disorder Due to a General Medical Condition (p. 334)

8. Mood Disorder Due to a General Medical Condition

(p. 401)

9. Anxiety Disorder Due to a General Medical Condition

(p. 476)

10. Sexual Dysfunction Due to a General Medical Condition (p. 561)

11. Sleep Disorder Due to a General Medical Condition

(p. 651)

Each of the above diagnoses shares the following criteria:

a. There is evidence from the history, physical examination, or laboratory findings that the disturbance is the direct physiological consequence of a general medical condition.

b. The disturbance is not better accounted for by another mental disorder.

c. The disturbance does not occur exclusively during the course of a delirium.

Coding Note: Use the name of the general medical condition on Axis I. On Axis III, record the general medical condition diagnosis responsible for the mental disorder.

Mental Disorders Due to a General Medical Condition

1. 293.89 Catatonic Disorder Due to a General Medical Condition (Criteria on p. 187)

Characteristics:

a. Catatonia must be manifested by motoric immobility, excessive motoral activity, extreme negativism or mutism, peculiarities of voluntary movement, or echolalia or echopraxia.

b. Clients have similar behavior to those with Schizophrenia, Catatonic Type, but the cause is different.

c. Medical conditions responsible include: viral encephalitis, postpartum psychosis, subarachnoid hemorrhage, ruptured berry aneurysm in the brain, subdural hematoma, hyperparathyroidism, arteriovenous malformation, temporal lobe tumor, akinetic mutism, and penetrating head wounds.

2. 310.0 Personality Change Due to a General Medical

Condition (Criteria on p. 190)

Characteristics:

a. A persistent personality disturbance that represents a change from the individual(s previous characteristic personality pattern.

b. Usually caused by an injury to the brain or some other central nervous system disorder, such as epilepsy or Huntington(s disease. Systemic diseases (such as systemic lupus erythematosis) that affect the brain can also be a cause.

Specify type:

Labile Type: affective lability

Disinhibited Type: poor impulse control as evidenced

by sexual indiscretions, etc.

Aggressive Type: aggressive behavior

Apathetic Type: apathy and indifference

Paranoid Type: suspiciousness or paranoid ideation

Other Type: is not one of the above

Combined Type: is more than one feature

predominates

Unspecified Type

3. 293.9 Mental Disorder Not Otherwise Specified

Due to a General Medical Condition (p. 190)

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