ICD-9-CM codes used to define SLE nephritis. SLE diagnosis with ICD-9-CM = 710.0 in any position, plus one of the following codes in any position.
| ICD-9-CM Diagnosis Codes | |
| Nephritis | 580.0, 580.4, 580.8, 580.81, 580.89, 580.9, 581.0, 581.1, 581.2, 581.3, 581.8, 581.81, 581.89, 581.9, 582.0, 582.1, 582.2, 582.4, 582.8, 582.81, 582.89, 582.9, 583.0, 583.1, 583.2, 583.4, 583.6, 583.7, 583.8, 583.81, 583.89, 583.9 |
| Chronic kidney disease | 585, 585.1, 585.2, 585.3, 585.4, 283.11, 403.00, 403.10, 403.90, 404.00, 404.10, 404.90, 404.01, 404.11, 404.91, 587, 588.8, 588.9, 642.1, 642.2, 794.4 |
| Dialysis | v56.0, v56.8, v45.11, v56.1, v56.2, v56.3, v45.12, 792.5, v45.1, v56.31, v56.32 |
| Kidney transplant | v42.0, 996.81 |
| Acute kidney failure | 584, 584.5, 584.6, 584.7, 584.8, 584.9 |
| Endstage kidney disease | 585.5, 585.6, 585.9, 586, 403.01, 403.11, 403.91, 404.02, 404.12, 404.92, 404.03, 404.13, 404.93 |
| ICD-9-CM Procedure Codes | |
| Dialysis | 39.95, 54.98, 39.93, 39.94, 39.42, 39.27 |
| Kidney transplant | 55.69, 55.53, 55.52, 55.51, 55.54 |
| Kidney biopsy | 55.23, 55.24, 55.39, 55.21 |
ICD-9-CM: International Classification of Diseases, 9th revision, clinical modification; SLE: systemic lupus erythematosus.