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REVENUE RECOGNITION AND ALLOWANCE FOR CREDIT LOSSES (Tables) | 3 Months Ended
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Mar. 31, 2021
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The approximate percentage of net revenue by type of customer was as follows:
| Three Months Ended March 31, |  |  |
| 2021 |  | 2020 |  |  |  |  |  |
Healthcare insurers: |  |  |  |  |  |  |  |  |
Fee-for-service | 38 | % |  | 34 | % |  |  |  |  |  |
Capitated | 2 |  |  | 3 |  |  |  |  |  |  |
Total healthcare insurers | 40 |  |  | 37 |  |  |  |  |  |  |
Government payers | 10 |  |  | 14 |  |  |  |  |  |  |
Client payers | 35 |  |  | 33 |  |  |  |  |  |  |
Patients | 12 |  |  | 12 |  |  |  |  |  |  |
Total DIS | 97 |  |  | 96 |  |  |  |  |  |  |
DS | 3 |  |  | 4 |  |  |  |  |  |  |
Net revenues | 100 | % |  | 100 | % |  |  |  |  |  |
Accounts Receivable Disaggregation | The approximate percentage of net accounts receivable by type of customer was as follows:
| March 31, 2021 |  | December 31, 2020
Healthcare Insurers | 33 | % |  | 34 | %
Government Payers | 7 |  |  | 6 |
Client Payers | 43 |  |  | 46 |
Patients (including coinsurance and deductible responsibilities) | 13 |  |  | 11 |
Total DIS | 96 |  |  | 97 |
DS | 4 |  |  | 3 |
Net accounts receivable | 100 | % |  | 100 | %

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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