Adult(s) with diabetes mellitus that had a serum creatinine in last 12 reported months.

For condition confirmation, the following criteria must be met:
1. All males or females 18-75 years of age at the end of the report period
2. Patient must have been continuously enrolled:
Medical benefits throughout the 12 months prior to the end of the report period
AND
Pharmacy benefit plan for 6 months prior to the end of the report period
Note: The standard enrollment break logic allows unlimited breaks of no more than 45 days and no breaks greater than 45 days.

3. Either one of the following criteria (A or B):
A. The patient is listed on the Disease Registry Input File for this condition, if a Disease Registry Input File is available.
OR
B. During the 24 months prior to the end of the report period, did the patient meet any of the following criteria:

Patient has 2 or more outpatient or nonacute inpatient encounters (HEDIS) (code set PR0199, RV0199, PR0195, RV0195), where the diagnosis is Diabetes (HEDIS) (code set DX0227)
OR
Patient has 1 or more acute inpatient or emergency department encounters (HEDIS) (code set PR0330, RV0330, PR0194, RV0194), where the diagnosis is Diabetes (HEDIS) (code set DX0227)
OR
Patient has 1 or more prescriptions for Insulin or Oral Hypoglycemics/Antihyperglycemics (HEDIS) (code set RX0221)

Time Window: 24 months prior to the end of the report period