Table A2.
Categories of Comorbid Diseases.
| ICD9 Code | Disease Name | Category | ICD9 Code | Disease Name | Category |
|---|---|---|---|---|---|
| 291 | Alcohol-induced mental disorders | 1 | 301 (not 301.1 or 301.2) | Personality disorders (not Affective personality disorder or Schizoid personality disorder) | 6 |
| 292 | Drug-induced mental disorders | 1 | 302 | Sexual and gender identity disorders | 7 |
| 303 | Alcohol dependence syndrome | 1 | 306 | Physiological malfunction arising from mental factors | 8 |
| 304 | Drug dependence | 1 | 316 | Psychic factor w oth dis. | 8 |
| 305 (not 305.1) | Nondependent abuse of drugs (not Tobacco use disorder) | 1 | 307 | Special symptoms or syndromes not elsewhere classified | 9 |
| 295 | Schizophrenic disorders | 2 | 290 | Dementias | 10 |
| 301.2 | Schizoid personality disorder | 2 | 293 | Transient mental disorders due to conditions classified elsewhere | 10 |
| 296 | Episodic mood disorders | 3 | 294 | Persistent mental disorders due to conditions classified elsewhere | 10 |
| 298 | Depressive type psychosis | 3 | 310 | Specific nonpsychotic mental disorders due to brain damage | 10 |
| 300.4 | Dysthymic disorder | 3 | 299 | Autistic disorder-current | 11 |
| 301.1 | Affective personality disorder | 3 | 312 | Disturbance of conduct not elsewhere classified | 11 |
| 309 | Adjustment reaction | 3 | 313 | Disturbance of emotions specific to childhood and adolescence | 11 |
| 311 | Depressive disorder NEC | 3 | 314 | Hyperkinetic syndrome of childhood | 11 |
| 297 | Delusional disorders | 4 | 315 | Specific delays in development | 11 |
| 298 (but not 2980) | Other nonorganic psychoses ( not Depressive type psychosis) | 4 | 317 | Mild intellectual disabilities | 12 |
| 308 | Acute reaction to stress | 5 | 318 | Other specified intellectual disabilities | 12 |
| 300 (but not 300.4) | Anxiety, dissociative and somatoform disorders (not Dysthymic disorder) | 5 | 319 | Unspecified intellectual disabilities | 12 |