Medical Costs Payable (Notes)

3 Months Ended

Mar. 31, 2019

Medical Costs Payable Text Block

Medical Costs Payable

The following table shows the components of the change in medical costs payable for the three months ended March 31:

(in millions)	2019			2018
Medical costs payable, beginning of period	$	19,891		$	17,871
Acquisitions	35			211
Reported medical costs:
Current year	39,239			36,153
Prior years	(300		)	(290		)
Total reported medical costs	38,939			35,863
Medical payments:
Payments for current year	(22,973		)	(21,237		)
Payments for prior years	(14,753		)	(13,119		)
Total medical payments	(37,726		)	(34,356		)
Medical costs payable, end of period	$	21,139		$	19,589

For the three months ended March 31, 2019 and 2018, the medical cost reserve development included no individual factors that were significant. Medical costs payable included reserves for claims incurred by insured customers but not yet reported to the Company of $14.3 billion and $13.2 billion at March 31, 2019 and December 31, 2018, respectively.