REVENUE RECOGNITION (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The approximate percentage of net revenue by type of customer was as follows:

	Twelve Months Ended December 31,
	2019		2018		2017
Healthcare insurers:
Fee-for-service	33	%	32	%	34	%
Capitated	3		3		3
Total healthcare insurers	36		35		37
Government payers	15		16		17
Client payers	32		32		30
Patients	13		13		12
Total DIS	96		96		96
DS	4		4		4
Net revenues	100	%	100	%	100	%

Accounts Receivable Disaggregation

The approximate percentage of net accounts receivable by type of customer as of December 31, 2019 and 2018 was as follows:

	2019	2018
Healthcare Insurers	22%	22%
Government Payers	11	13
Client Payers	42	41
Patients (including coinsurance and deductible responsibilities)	20	20
Total DIS	95	96
DS	5	4
Net accounts receivable	100%	100%