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Test Code (รหัสการทดสอบ):
090-10-0350-04

Order Name (ชื่อการทดสอบ):
Lupus Anticoagulant

 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ Citrate Blood 3 mL, 2 tubes
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to report within 4 days
 
Useful For (ประโยชน์การทดสอบ):
Detecting and confirming or helping to exclude the presence of lupus anticoagulants (LA)
 
Methodology (วิธีการทดสอบ):
Silica Clotting Time (SCT)
Diluted Russell’s Viper Venom test
 
AliasesName (ชื่อเรียกอื่นๆ) :
Dilute Russell Viper Venom Time (DRVVT)
DRVVT (Dilute Russell Viper Venom Time)
Phospholipid Antibodies
 
 
 
Test Code (รหัสการทดสอบ):
090-10-0350-04

Order Name (ชื่อการทดสอบ):
Lupus Anticoagulant

 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ Citrate Blood 3 mL, 2 tubes
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Citrate plasma (immidietely remove plasma after double centrifugation), minimum volume 0.5 mL
 
Sub Mission Container (ภาชนะส่งตรวจ):
Plastic tube
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
Hemolysis: Hemoglobin >200 mg/dL will be reject.
Lipemia: Triglyceride >500 mg/dL will be reject.
Icterus: Bilirubin >10 mg/dL will be reject.
Other: Clotted specimen will be rejected.
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Whole blood, Sodium citrate Room temperature, 18oC to 25oC 4 hours
Plasma, Sodium citrate Room temperature, 18oC to 25oC 4 hours
Refrigerated, 2oC to 8oC 4 hours
Frozen, -20oC 2 weeks
Frozen, -70oC 1 year
 
 
 
Test Code (รหัสการทดสอบ):
090-10-0350-04

Order Name (ชื่อการทดสอบ):
Lupus Anticoagulant

 
Method detail (วิธีการทดสอบ):
Silica Clotting Time (SCT)
Diluted Russell’s Viper Venom test
 
Schedule (ตารางการทดสอบ):
Tested every Tuesday and Friday at 13:00
Note: If not delivered at the time of testing, will be done in the next round
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to report within 4 days
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Hematology, Laboratory Department Tel. 17254
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
14 days
 
 
 
Test Code (รหัสการทดสอบ):
090-10-0350-04

Order Name (ชื่อการทดสอบ):
Lupus Anticoagulant

 
 
Clinical Information (ข้อมูลทางคลินิก):
Lupus anticoagulants (LA) belong to the group of antiphospholipid antibodies which are directed againts negatively charged phospholipids or complexes between phospholipids and proteins (for example, beta-2-glycoprotein 1 or clotting factors such as prothombin) When determined by their ability to prolong phospholipid-dependent tests (APTT,KCT, DRVVT,SCT) these antibodies are referred to as LA. Patients with LA are at increased risk of clinical complications such as thrombosis and recurrent miscarriages.
 
Reference Value (ค่าอ้างอิง):
The reference interval can be viewed from the result report of the HIS system.
Remarks: The test value depends on lot number of reagent.
 
Clinical Reference (เอกสารอ้างอิง):
  1. Manufacturer’s reagent Package Insert, Silica Clotting Time HemosIL®, Instrumentation Laboratory Company - Bedford, MA 01730-2443 (USA), Instrumentation Laboratory SpA - V.le Monza 338 - 20128 Milano (Italy), 11/2016
  2. Manufacturer’s reagent Package Insert, dRVVT Screen-0020301500/ dRVVT Confirm-0020301600 HemosIL®, Instrumentation Laboratory Company - Bedford, MA 01730-2443 (USA), Instrumentation Laboratory SpA - V.le Monza 338 - 20128 Milano (Italy), 11/2016
  3. http://www.mayomedicallaboratories.com (Retrieved: 22 Jan 2019)