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Test Code (รหัสการทดสอบ):
LDL

Order Name (ชื่อการทดสอบ):
LDL Cholesterol (LDL-C, Direct Method)

 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ Plain blood (Red top) 6 mL, 1 tube
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 1.5 hours (90 mins)
 
Useful For (ประโยชน์การทดสอบ):
Evaluation of coronary heart disease (CHD) risk
 
Methodology (วิธีการทดสอบ):
Measured, Liquid Selective Detergent
 
AliasesName (ชื่อเรียกอื่นๆ) :
Cholesterol in Low-Density Lipoproteins (LDL)
Cholesterol, DLD (Low-Density Lipoprotein)
Direct LDL (Low-Density Lipoprotein)
LDL (Low-Density Lipoprotein) Cholesterol
LDL Cholesterol (LDLC)
LDL Direct
Low (Low-Density Lipoprotein) Direct
LDL-C
Low-Density Lipoprotein (LDL)
 
 
 
Test Code (รหัสการทดสอบ):
LDL

Order Name (ชื่อการทดสอบ):
LDL Cholesterol (LDL-C, Direct Method)

 
Patient Preparation (การเตรียมตัวผู้ป่วย):
  1. Patient should be fasting at least 12 hours.
  2. Patients should not drink any alcoholic beverages at least 24 hours.
  3. Patient can drink water as usual.
  4. Patient who takes the antihypertensive drugs, can take it as usual.
 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ Plain blood (Red top) 6 mL, 1 tube
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Serum, minimum volume 0.5 mL
 
Sub Mission Container (ภาชนะส่งตรวจ):
Plastic vial
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
Hemolysis: 4+ reject 
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Serum Refrigerated, 2oC to 8oC 5 days
Frozen, -20o 3 months
 
 
 
Test Code (รหัสการทดสอบ):
LDL

Order Name (ชื่อการทดสอบ):
LDL Cholesterol (LDL-C, Direct Method)

 
Method detail (วิธีการทดสอบ):
Measured, Liquid Selective Detergent
 
Schedule (ตารางการทดสอบ):
Tested daily (24 hours)
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 1.5 hours (90 mins)
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Chemistry, Laboratory Department Tel. 13224
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
5 days
 
 
 
Test Code (รหัสการทดสอบ):
LDL

Order Name (ชื่อการทดสอบ):
LDL Cholesterol (LDL-C, Direct Method)

 
 
Clinical Information (ข้อมูลทางคลินิก):
Plasma lipoproteins are spherical particles containing varying amounts of cholesterol, triglycerides, phospholipids, and proteins. The phospholipid, free cholesterol, and protein constitute the outer surface of the lipoprotein particle, while the inner core contains mostly esterified cholesterol and triglycerides. These particles serve to solubilize and transport cholesterol and trigylcerides in the bloodstream. The relative proportions of protein and lipid determine the density of these lipoproteins and provide a basis on which to begin their classification. These classes are: chylomicrons, very-low-density lipoprotein (VLDL), low-density lipoprotein (LDL), and high-density lipoprotein (HDL). Numerous clinical studies have shown that the different lipoprotein classes have very distinct and varied effects on coronary heart disease (CHD) risk.
 
Reference Value (ค่าอ้างอิง):
< 130 mg/dL
 
Interpretation (การแปลผล):
CHD Risk Factors:

+1 Age: Men, 45 years and older
              Women, 55 years and older or premature menopause without estrogen therapy

+ 1 Family history of premature CHD

+ 1 Current smoking

+ 1 Hypertension

+ 1 Diabetes mellitus

+ 1 Low HDL Cholesterol: 39 mg/dL or less

- 1 High HDL Cholesterol: 60 mg/dL or greater
 
Clinical Reference (เอกสารอ้างอิง):
  1. Manufacturer’s reagent package insert, Architect® Direct LDL, Sekisui Diagnostics P.E.I. Inc.70 Watts Ave. Charlottetown, Prince Edward Island Canada C1E 2B9, February 2017.
  2. http://www.mayomedicallaboratories.com (Retrieved: 01 Jan 2019)