NET REVENUE AND ACCOUNTS RECEIVABLE

6 Months Ended

Jun. 30, 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   June 30,				Six Months Ended   June 30,
	2019		2018		2019		2018
Commercial	$	174,461	$	152,251	$	324,156	$	292,792
Government	15,872		22,397		43,832		48,939
Patient	1,184		1,141		2,485		2,642
Total Net Revenue	$	191,517	$	175,789	$	370,473	$	344,373

Net Revenue Concentration

No single payor accounted for more than 10.0% of revenue during the three or six months ended June 30, 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):

	June 30, 2019						December 31, 2018
	0 - 180 days		Over 180 days		Total		0 - 180 days		Over 180 days		Total
Government	$	15,121	$	4,891	$	20,012	$	17,849	$	6,098	$	23,947
Commercial	74,369		13,862		88,231		67,288		14,740		82,028
Patient	4,313		5,525		9,838		2,092		6,797		8,889
Accounts receivable, net	$	93,803	$	24,278	$	118,081	$	87,229	$	27,635	$	114,864