Appendix 1.
Ascertainment of co-morbidities in SLE patients.
| Diagnosis | ICD-9 code | CPT-4 code | Medi-Span code |
|---|---|---|---|
| Nephrotic syndrome | 581.9 | - | - |
| Renal insufficiency | 593.9 | - | - |
| End-stage renal disease or hemodialysis, peritoneal dialysis, or renal transplant | 585 | 90935 | |
| 90945 | - | ||
| 50360 | |||
| Hypothyroidism or thyroid replacement | 244.9 | - | 28 10 00 |
| Hyperthyroidism of antithyroid agents | 242.9 | - | 28 30 00 |
| High blood pressure or antihypertensive treatment | 401.0–405.99 | - | 36 00 00 |
| Diabetes mellitus type II or treatment | 250.00 | - | 27 00 00 |
| 250.02 | |||
| Hypercholesterolemia or antihyperlipidemic drugs | 272.0 | - | 39 00 00 |
| 39 40 00 | |||
| Myocardial infarction | 410.1–410.9 | - | - |
| Angina pectoris | 411.1 | - | - |
| 413.9 | |||
| Cerebral vascular accident | 436 | - | - |
| Osteopenia/osteoporosis or biphosphonates or calcitonin | 733.00–733.09 | - | 30 04 20 |
| 733.90 | 30 04 30 | ||
| Cataract or cataract surgery | 366.9 | 66830 | - |
| 66840 | |||
| 66850 | |||
| 66852 | |||
| 66920 | |||
| 66930 | |||
| 66940 | |||
| 66983–66986 | |||
| Avascular necrosis | 733.40–733.49 | - | - |
ICD-9 = International Classification of Diseases, Ninth Revision; CPT-4 = Current Procedural Terminology. 4th Edition; Medi-Span = Medi-Span Therapeutic Classification System; SLE =systemic lupus erythematosus.