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REVENUE - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | $ 456,379 | $ 408,363 | $ 1,293,275 | $ 1,025,052
Screening |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | 280,378 | 214,623 | 784,643 | 565,407
Screening | Medicare Parts B & C |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | 116,088 | 98,847 | 329,034 | 256,589
Screening | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | 151,245 | 106,002 | 419,268 | 280,451
Screening | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | 13,045 | 9,774 | 36,341 | 28,367
Precision Oncology |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | 145,412 | 91,579 | 412,628 | 322,905
Precision Oncology | Medicare Parts B & C |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | 51,607 | 33,945 | 142,428 | 114,973
Precision Oncology | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | 42,844 | 37,402 | 145,821 | 137,212
Precision Oncology | International |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | 27,229 | 16,243 | 80,133 | 56,227
Precision Oncology | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | 23,732 | 3,989 | 44,246 | 14,493
COVID-19 Testing |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized | $ 30,589 | $ 102,161 | $ 96,004 | $ 136,740

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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