| Ordering Code | 6674 |
|---|---|
| Test Name | Lupus Anticoagulant DRVVT w/Interp |
| Alias | Lupus Anticoagulant w/reflex to Confirmation LA DRVV DRVVT LA Screen Test includes review and interpretation by Pathologist |
| Preferred Specimen | Plasma |
| Preferred Container | Citrate, 3.2% (Lt. Blue) |
| Optimum Volume | 2 mL divided into 2 aliquots |
| Collection Instructions | Draw full tube Draw 2 tubes (optimum). |
| Handling Instructions | Double spin before freezing. |
| Transport Requirements | Oahu: Frozen Airline: Frozen |
| Specimen Stability | Ambient: 4 Hours Frozen: 2 Weeks |
| Rejection Criteria | Clotted, Hemolyzed, Over filled tube, Thawed, Under filled tube |
| Avail. Stat | NO |
| Analytic Time | Up to 5 Days |
| Methodology | Dilute Russell's viper venom |
Reference range(s)
The reference ranges listed below are valid on this date of April 25, 2024.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Protime | ALL | 11.8-14.2 | 11.8-14.2 | secs | |||||
| Part. Throm. Time (PTT) | ALL | 23.5-37.8 | 23.5-37.8 | secs | |||||
| Thrombin Time | ALL | 15-22 | 15-22 | secs | |||||
| DRVV Screen | ALL | secs | See report. | ||||||
| DRVVS Ratio | ALL | <=1.20 | <=1.20 | ||||||
| DRVV Confirm | ALL | secs | See report. | ||||||
| DRVVC Ratio | ALL | See report. | |||||||
| Normalized Ratio | ALL | <1.20 | <1.20 | ||||||
| DRVVT Mix | ALL | secs | See report. |