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Unadjusted pre-post CKD identification rate by mode of identification. Pre-post differences were statistically significant at P<0.01. †Diagnosis codes for CKD included International Classification of Diseases, Ninth Revision, Clinical Modification codes 250.4, 250.40, 504.1, 250.42, 504.3, 582.×, 583.×, 586.×, 587.×, 403.×, 404.×, and 585. ×. ‡Tests for CKD included urine microalbumin, kidney ultrasonography, or kidney biopsy.
