Appendix Table 1. International Classification of Diseases, Ninth Revision (ICD-9), Code Criteria for Comorbidity and Coronary Heart Disease Risk Factors Used to Construct a Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (BP) Guideline Concordance Algorithm*
ClassificationDiseaseICD-9 Code
I. Higher risk (BP goal <130/80 mmHg)Diabetes249.xx, Secondary diabetes mellitus
250.xx, Diabetes mellitus
Chronic kidney disease403.xx, Hypertensive chronic kidney disease
404.xx, Hypertensive heart and chronic kidney disease
581, Nephrotic syndrome
582, Chronic glomerulonephritis
585.x, Chronic kidney disease
585, Renal failure, unspecified
V42, Organ or tissue replaced by transplant: V42.0, Kidney
V45, Other postprocedural states V45.1x, Renal dialysis status
V56.xx, Encounter for dialysis and dialysis catheter care
II. Lower risk (BP goal <140/90 mmHg)No diabetes diagnoses (see above)
No chronic kidney disease diagnoses (see above)