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Test Code (รหัสการทดสอบ):
G6PD

Order Name (ชื่อการทดสอบ):
G-6-PD

 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ K3 EDTA (K3E) (Lavender Top) 3 mL, 1 tube
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to report within 2 hours
 
Useful For (ประโยชน์การทดสอบ):
The test is intended for use as a screening method for red cell glucose -6-phosephate dehydronase deficiency in newborns and adults.
 
Methodology (วิธีการทดสอบ):
Fluorescent Spot Test
 
AliasesName (ชื่อเรียกอื่นๆ) :
Glucose-6-phosphate dehydrogenase deficiency.
Hemolytic anemia
Favism hemolytic anemia
 
 
 
Test Code (รหัสการทดสอบ):
G6PD

Order Name (ชื่อการทดสอบ):
G-6-PD

 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ K3 EDTA (K3E) (Lavender Top) 3 mL, 1 tube
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Blood, minimum volume 0.5 mL
 
Sub Mission Container (ภาชนะส่งตรวจ):
Original tube
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Whole blood, EDTA Refrigerated, 2oC to 8oC 3 days
 
 
 
Test Code (รหัสการทดสอบ):
G6PD

Order Name (ชื่อการทดสอบ):
G-6-PD

 
Method detail (วิธีการทดสอบ):
Fluorescent Spot Test
 
Schedule (ตารางการทดสอบ):
Tested Daily (24 hours)
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to report within 2 hours
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Hematology, Laboratory Department Tel. 17254
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
5 days
 
 
 
Test Code (รหัสการทดสอบ):
G6PD

Order Name (ชื่อการทดสอบ):
G-6-PD

 
 
Clinical Information (ข้อมูลทางคลินิก):
Hemolytic disease may be associated with deficiency of erythrocyte enzymes. The most commonly encountered is a deficiency of glucose-6-phosphate dehydrogenase (G6PD).

The G6PD locus is on the X chromosome and, thus, G6PD deficiency is a sex-linked disorder. Affected males (hemizygotes) inherit the abnormal gene from their mothers who are almost always asymptomatic carriers (heterozygotes). More than 300 molecular variants of G6PD are known, and the clinical and laboratory features of G6PD deficiency vary accordingly. With some variants, there is chronic, life-long hemolysis, but much more commonly, the condition is asymptomatic and only results in susceptibility to acute hemolytic episodes, which may be triggered by some medications, ingestion of fava beans, viral, or bacterial infections.  It is also associated with neonatal  hyperbilirubinemia.

The major G6PD variants occur in specific ethnic groups. Thus, knowledge of the ethnic background of the patient is important. G6PD deficiency has very high frequency in Southeast Asians and is the most common cause of hemolytic disease of the newborn in Southeast Asian neonates.  It is also seen in persons of African and Mediterranean descent.
 
Reference Value (ค่าอ้างอิง):
Normal
 
Clinical Reference (เอกสารอ้างอิง):
  1. Manufacturer’s reagent package insert, Instruction for use G-6-PD A Screening kit for Dried Blood Spots& Whole Blood Samples. R&D Diagnostics, Greece; ND03SQ-Jun.2016
  2. http://www.mayomedicallaboratories.com (Retrieved: 22 Jan 2019)