Table A1.
ICD-9-CM codes and Anatomical Therapeutic Chemical [ATC] classification system codes used in this study
| Main diseases | ICD-9-CM codes and ATC codes |
|---|---|
| Schizophrenia | 295 |
| Periodontal disease | 523.0–523.5, 523.8, 523.9, 91001C, 91003C, 91004C, 91006C–91008C, 91009B, 91010B, 91011C–91013C, 91104C, 92033C, P4001C, P4002C |
| Exclusion comorbidity | ICD-9-CM codes |
| Osteoporosis | 733.0 |
| Diabetes mellitus | 250 |
| AIDS | 042, 079.53, 795.71 |
| Alcoholism | 291, 303.0X, 303.9, 305.00–305.03, 357.5, 425.5, 535.30, 535.31, 571.0–571.5, 571.8, 571.9, 790.3, 980.0, 980.2, 980.8, 980.9, 977.3, V11.3 |
| Chronic pulmonary disease | 416.8, 416.9, 490, 491–495, 496, 500–505, 506.4, 508.1 |
| Drug categories | ATC codes |
| FGAs | |
| Chlorpromazine (HCl) | N05AA01 |
| Trifluoperazine (HCl) or (2HCl) | N05AB06 |
| Thioridazine HCl | N05AC02 |
| Haloperidol | N05AD01 |
| Flupentixol (2HCl) | N05AF01 |
| Chlorprothixene HCl | N05AF03 |
| Thiothixene | N05AF04 |
| Pimozide | N05AG02 |
| Loxapine (succinate) | N05AH01 |
| Sulpiride | N05AL01 |
| SGAs | |
| Ziprasidone | N05AE04 |
| Risperidone | N05AX08 |
| Clozapine | N05AH02 |
| Olanzapine (micronized) | N05AH03 |
| Quetiapine (fumarate) | N05AH04 |
| Amisulpride | N05AL05 |
| Zotepine | N05AX11 |
| Aripiprazole | N05AX12 |
| Paliperidone | N05AX13 |
| Anticholinergics | |
| Trihexyphenidyl HCl | N04AA01 |
| Biperiden HCl | N04AA02 |
| Diphenhydramine | R06AA52 |
| Diphenhydramine HCl | R06AA52 |
| Antihypertensives | |
| Furosemide | C03CA01 |
| Propranolol HCl | C07AA05 |
| Carteolol HCl | C07AA15 |
| Atenolol | C07AB03 |
| Enalapril maleate | C09AA02 |