dRVVT Screen to Confirm Percent Difference

**Semantic type:** Laboratory Procedure

**Definition:** A measurement to confirm the presence of Lupus anticoagulants, calculated as [(Screen dRVVT - Confirm dRVVT)/Screen dRVVT]x100.

**Synonyms:** - DRVTSCPD - dRVVT Screen to Confirm Pct Difference - dRVVT Screen to Confirm Pct Difference