Data Set | US Department of Defense Military Health System (MHS) Data Repository (MDR). MDR source files: CAPER (direct care outpatient claims), SIDR (direct care inpatient claims), TED-NI (purchased care outpatient claims), TED-I Header (purchased care inpatient claims), and VM6BEN (demographic information from the Defense Enrollment Eligibility Reporting System).
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Estimated glomerular filtration rate (eGFR) | Based on CKD-EPI equation for calibrated creatinine: eGFR=141 x [min(serum creatinine in mg/dL) /κ, 1)]**α x [max(serum creatinine/κ, 1)]**-1.20 x 0.993**age x (1.018 if female) x (1.159 if Black).
κ = 0.7 if female, and 0.9 if male
α = -0.329 if female, and -0.411 if male
** = raise to the power
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ICD-9-CM codes for CKD | 016.0, 095.4, 189.0,189.1, 189.9, 236.91, 250.4, 250.41, 250.42, 250.43, 271.4, 274.10, 283.11, 403.xx, 404.xx, 405.01, 405.11, 440.1, 442.1, 447.3, 453.3, 573.4, 580.xx, 581.xx, 582.xx, 583.xx, 584.5, 585.x, 587.xx, 588.xx, 590.xx, 591, 592.x, 593.xx, 642.1, 646.2, 753.xx, 794.4 (x and xx stand for all the codes within the main diagnosis).
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