Surge in Newly Identified Diabetes Among Medicaid Patients in 2014 Within Medicaid Expansion States Under the Affordable Care Act Featured Article: Harvey W. Kaufman, Zhen Chen, Vivian A. Fonseca, and Michael J. McPhaul Diabetes Care Volume 38: May, 2015

STUDY OBJECTIVE To examine the impact of Medicaid expansion on Medicaid patients with newly identified diabetes who had laboratory testing through Quest Diagnostics Kaufman H. W. et al. Diabetes Care 2015;38:

STUDY DESIGN AND METHODS Newly identified diabetes was defined as: ICD-9 diagnosis code of 250.x (diabetes) or hemoglobin A 1c of >6.4% within the first 6 months of a calendar year Absence of both in the preceding calendar year within the data repository Kaufman H. W. et al. Diabetes Care 2015;38:

RESULTS 215,398 and 218,890 patients met the definition of newly diagnosed diabetes within the first 6 months of 2013 (control period) and 2014 (study period), respectively 26,237 Medicaid-enrolled patients with new diabetes were identified in the control period vs. 29,673 in the study period Medicaid-enrolled patients with newly identified diabetes increased by 23% in the 26 states (and District of Columbia) that expanded Medicaid compared with an increase of 0.4% in the 24 states that did not expand Medicaid Similar differences were observed in younger and older adults and for both men and women Kaufman H. W. et al. Diabetes Care 2015;38:

CONCLUSIONS In the states that expanded Medicaid under the Affordable Care Act, an increased number of Medicaid patients with diabetes are being diagnosed and treated earlier Kaufman H. W. et al. Diabetes Care 2015;38: