Evaluation of the Prevalence of Chronic Kidney Disease and Rates of Oral Antidiabetic Prescribing in Accordance with Guidelines and Manufacturer Recommendations in Type 2 Diabetic Patients within a Long-Term Care Setting
Table 1
Stages of CKD.
ICD-9-CM diagnosis code
CKD disease stage
Corresponding GFR (mL/min/1.73 m2)
Description
585.1
1
≥90 with kidney damage
Normal kidney function, but urine findings, structural abnormalities, or genetic trait points to kidney disease
585.2
2
60–89 with kidney damage
Mildly reduced kidney function, and other findings (as for stage 1) point to kidney disease
585.3
3
30–59
Moderately reduced kidney function
585.4
4
15–29
Severely reduced kidney function
585.5, 585.6
5
<15 (or dialysis)
Very severe, or end-stage kidney failure (sometimes called established renal failure)
CKD: chronic kidney disease; GFR: glomerular filtration rate; ICD-9-CM: The International Classification of Diseases, Ninth Revision, Clinical Modification.