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Test Code (รหัสการทดสอบ):
MG

Order Name (ชื่อการทดสอบ):
Magnesium

 
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):
Monitoring preeclampsia patients being treated with magnesium sulfate, although in most cases monitoring clinical signs (respiratory rate and deep tendon reflexes) is adequate and blood magnesium levels are not required
 
Methodology (วิธีการทดสอบ):
Enzymatic
 
AliasesName (ชื่อเรียกอื่นๆ) :
Mg (Magnesium), Blood
 
 
 
Test Code (รหัสการทดสอบ):
MG

Order Name (ชื่อการทดสอบ):
Magnesium

 
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: 1+ or above reject 
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Serum Refrigerated, 2oC to 8oC 7 days
Frozen, -20o 12 months
 
 
 
Test Code (รหัสการทดสอบ):
MG

Order Name (ชื่อการทดสอบ):
Magnesium

 
Method detail (วิธีการทดสอบ):
Enzymatic
 
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):
MG

Order Name (ชื่อการทดสอบ):
Magnesium

 
 
Clinical Information (ข้อมูลทางคลินิก):
Magnesium is an essential nutrient which is involved in many biochemical functions. It has a structural role in nucleic acids and ribosomal particles, required as an activator for many enzymes and has a role in energy producing oxidative phosphorylation.
The normal body contains between 21 to 28 g magnesium, more than 50% of which is complexed with calcium and phosphate in bone. Only approximately 1% of the total magnesium is found in the extracellular fluid; hence, it tends to enter and leave cells under the same conditions as potassium. Approximately 35% of plasma magnesium is protein-bound, mainly to albumin, and therefore changes in albumin concentration may affect magnesium.
Hypomagnesemia results in the impairment of neuromuscular function and may develop in severe prolonged diarrhea, malabsorption syndromes, hyperaldosteronism, and diuretic therapy. Hypermagnesemia is seen in renal glomerular failure and diabetic coma.
 
Reference Value (ค่าอ้างอิง):
1.6 – 2.6 mg/dL
 
Interpretation (การแปลผล):
Symptoms of magnesium deficiency do not typically appear until low level.
Levels of very high may be life-threatening.
 
Clinical Reference (เอกสารอ้างอิง):
  1. Manufacturer’s reagent package insert, Architect® Magnesium, Abbott Laboratories, Abbott Park IL 60064 USA, March 2015.
  2. http://www.mayomedicallaboratories.com (Retrieved: 01 Jan 2019)