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Test Code (รหัสการทดสอบ):
090-20-2160

Order Name (ชื่อการทดสอบ):
Ketone (beta-hydroxybutyrate) (Blood)

 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ K3 EDTA (Lavender Top) 3 mL, 1 tube
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 90 min
 
Useful For (ประโยชน์การทดสอบ):
Monitoring therapy for diabetic ketoacidosis Investigating the differential diagnosis of any patient presenting to the emergency room with hypoglycemia, acidosis, suspected alcohol ingestion, or an unexplained increase in the anion gap In pediatric patients, the presence or absence of ketonemia/uria is an essential component in the differential diagnosis of inborn errors of metabolism
 
Methodology (วิธีการทดสอบ):
Biosenser Technology
 
AliasesName (ชื่อเรียกอื่นๆ) :
B-hydroxybutyrate, Serum
Beta-Hydroxy Butyric Acid, Serum
Blood Ketone, Serum
Hydroxybutyrate, Beta, Serum
Ketone Bodies, Serum
 
 
 
 
Test Code (รหัสการทดสอบ):
090-20-2160

Order Name (ชื่อการทดสอบ):
Ketone (beta-hydroxybutyrate) (Blood)

 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ K3 EDTA (Lavender Top) 3 mL, 1 tube
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Whole Blood EDTA, minimum volume 3 mL
 
Sub Mission Container (ภาชนะส่งตรวจ):
Plastic vial
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
สิ่งส่งตรวจที่เก็บไว้นานเกินกว่า 30 นาที 
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
K3EDTA Whole bloood (keep in original tube) - within 30 minutes after blood collection.
 
 
 
Test Code (รหัสการทดสอบ):
090-20-2160

Order Name (ชื่อการทดสอบ):
Ketone (beta-hydroxybutyrate) (Blood)

 
Method detail (วิธีการทดสอบ):
Biosenser Technology
 
Schedule (ตารางการทดสอบ):
Tested daily (24 hours)
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 90 min
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Chemistry, Laboratory Department Tel. 13224
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
5 days
 
 
 
Test Code (รหัสการทดสอบ):
090-20-2160

Order Name (ชื่อการทดสอบ):
Ketone (beta-hydroxybutyrate) (Blood)

 
 
Clinical Information (ข้อมูลทางคลินิก):
Beta-hydroxybutyrate (BHB) is 1 of 3 sources of ketone bodies. Its relative proportion in the blood (78%) is greater than the other 2 ketone bodies, acetoacetate (20%) and acetone (2%). During carbohydrate deprivation (starvation, digestive disturbances, frequent vomiting), decreased carbohydrate utilization (diabetes mellitus), glycogen storage diseases, and alkalosis, acetoacetate production increases. The increase may exceed the metabolic capacity of the peripheral tissues. As acetoacetate accumulates in the blood, a small amount is converted to acetone by spontaneous decarboxylation. The remaining and greater portion of acetoacetate is converted to BHB.
 
Reference Value (ค่าอ้างอิง):
Blood Ketone Value (mmol/L) Interpretation
 Less than 0.6  Normal
 0.6 - 1.5  A moderate level of ketone and probably indicates fat
 metabolism and weight loss, but not deficiency of
 insulin
 1.6- 3.0   A high level of ketoneand under a risk of diabetes
 ketoacidosis (DKA)
 Over 3.0  A serious metabolic condition
 
Interpretation (การแปลผล):
The beta-hydroxybutyrate (BHB)/acetoacetate ratio is typically between 3:1 and 7:1 in severe ketotic states. BHB increases in response to asting, but should not exceed 0.4 mmol/L following an overnight fast (up to 12 hours). In pediatric patients, a hypo- or hyper-ketotic state (with or without hypoglycemia) may suggest specific groups of metabolic disorders.
 
Clinical Reference (เอกสารอ้างอิง):
  1. Manufacturer’s reagent package insert, FreeStyle OptiumH Beta-Ketone, Abbott Diabetes Care Ltd., Range road, Witney, Oxon OX29 0YL, UK, 2013-2015 Abbott ART30968-001 Rev.A 07/15.
  2. http://www.mayomedicallaboratories.com (Retrieved: 01 Jan 2019)