Appendix A.

Diagnostic Codes Used to Define Outomes

Diagnosis/eventMedicare claims usedDiagnostic codes useda
Benign prostatic hyperplasiaInstitutional claims and Physician supplier claims600, 600.0, 600.2, 600.9
Transurethral resection of the prostate (and other prostate procedures)Institutional claims60.0, 60.2x
Urinary tract infectionInstitutional claims590, 590.1, 590.2, 590.8, 590.9, 595, 595.89, 595.9
Acute urinary retentionInstitutional claims788.2x
Obstructive cause of ESRD (DGNL USRDS codes)Not applicable3007 (chronic pyelonephritis), 3030 (acquired obstructive uropathy), 3052 (chronic obstructive uropathy)
  • a All ICD-9 codes except DGNL codes used for Obstructive cause of ESRD. ESRD, end stage renal disease; DGNL, diagnosis at listing; USRDS, United States Renal Data System.