Appendix #1.
Diagnosis Codes Used to Define Study Cohort
| ICD-9 Code | Name |
|---|---|
| 599.6 | Urinary obstruction, unspecified |
| 600.0 | Hypertrophy benign of the prostate |
| 600.9 | Unspecified hypertrophy of the prostate |
| 600.2 | Benign localized hyperplasia |
| 594.1 | Other calculus in bladder |
| 788.20 | Retention of urine, unspecified |
| 788.21 | Incomplete bladder emptying |
| 788.29 | Other specified retention of urine |
| 788.41 | Urinary frequency |
| 788.42 | Polyuria |
| 788.43 | Nocturia |
| 788.61 | Splitting of urinary stream |
| 788.62 | Slowing of urinary stream |