NET REVENUE AND ACCOUNTS RECEIVABLE

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Net Revenue and Accounts Receivable

NET REVENUE AND ACCOUNTS RECEIVABLE

The following table presents our disaggregated net revenue for each associated payor class (in thousands). Sales and usage-based taxes are excluded from net revenue.

	Three Months Ended   March 31,
	2019		2018
Commercial	$	149,696	$	140,541
Government	27,959		26,542
Patient	1,301		1,501
Total Net Revenue	$	178,956	$	168,584

Net Revenue Concentration

No single payor accounted for more than 10.0% of revenue during the three months ended March 31, 2019 or 2018.

Collectability of Accounts Receivable

The following table sets forth the aging of our net accounts receivable, aged based on date of service and categorized based on the three primary payor groups (in thousands):

	March 31, 2019						December 31, 2018
	0 - 180 days		Over 180 days		Total		0 - 180 days		Over 180 days		Total
Government	$	19,202	$	7,540	$	26,742	$	17,849	$	6,098	$	23,947
Commercial	65,746		17,680		83,426		67,288		14,740		82,028
Patient	3,716		6,940		10,656		2,092		6,797		8,889
Accounts receivable, net	$	88,664	$	32,160	$	120,824	$	87,229	$	27,635	$	114,864