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Test Code (รหัสการทดสอบ):
090-10-0670-02

Order Name (ชื่อการทดสอบ):
Ketone, Dipstick, Random Urine

 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Urine/ Clean container 20 mL
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 1 hour
 
Useful For (ประโยชน์การทดสอบ):
A semiquantitative test, it is used to evaluate ketonuria, detect acidosis, ketoacidosis of alcoholism and diabetes mellitus, fasting, starvation, high protein diets, and isopropanol ingestion. It remains useful as a monitor in known diabetics, in type I patients when ill and during marked hyperglycemia and in type II diabetics during acute illness.
 
Methodology (วิธีการทดสอบ):
This test is based on "Legal's method" in which the test pad contains sodium nitroprusside and glycine in an alkaline medium. A violet color proportional to methylketone is generated.
 
 
 
Test Code (รหัสการทดสอบ):
090-10-0670-02

Order Name (ชื่อการทดสอบ):
Ketone, Dipstick, Random Urine

 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Urine/ Clean container 20 mL
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Urine, minimum volume 2 mL
 
Sub Mission Container (ภาชนะส่งตรวจ):
Clean container
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Random Urine Room temperature, 18oC to 25oC 2 hours
 
 
 
Test Code (รหัสการทดสอบ):
090-10-0670-02

Order Name (ชื่อการทดสอบ):
Ketone, Dipstick, Random Urine

 
Method detail (วิธีการทดสอบ):
This test is based on "Legal's method" in which the test pad contains sodium nitroprusside and glycine in an alkaline medium. A violet color proportional to methylketone is generated.
 
Schedule (ตารางการทดสอบ):
Tested Daily (24 hours)
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 1 hour
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Hematology, Laboratory Department Tel. 17254
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
3 days
 
 
 
Test Code (รหัสการทดสอบ):
090-10-0670-02

Order Name (ชื่อการทดสอบ):
Ketone, Dipstick, Random Urine

 
 
Clinical Information (ข้อมูลทางคลินิก):
In adult healthy men, a fast of 18 hours or greater produces ketonemia at a level that would result in detectable ketonuria. Aging is associated with increased susceptibility to fasting-induced hyperketonemia. (London, 1986) Ketonuria may be noted in normal pregnancy. (Chez, 1987) Acetoacetic acid, beta-hydroxybutyric acid, and acetone are ketone bodies. In ketosis, usually 80% of total ketones are beta-hydroxybutyric acid. Acetoacetic acid comprises most of the remainder with acetone present in trace amounts. Urine ketones should generally be determined in patients with a positive urine test for urine glucose and followed during the management of diabetes mellitus and ketoacidosis. Ketones can depress the glucose oxidase reaction, providing falsely low results, on some glucose oxidase reagent strips. In pregnancy, the risk of ketosis is increased; all pregnant type I diabetics are advised to monitor urine for ketosis in first morning urine and when blood glucose is >150 mg/dL. A portion of initial assessment for inborn errors of metabolism in infancy and childhood. In infants and children, ketonuria can occur with febrile illnesses and toxic states with marked vomiting or diarrhea. Genetic disorders resulting in ketonuria include propionyl CoA carboxylase deficiency, glycogen storage disease, branched-chain ketonuria, and methylmalonic aciduria.
 
Reference Value (ค่าอ้างอิง):
Negative
 
Clinical Reference (เอกสารอ้างอิง):
  1. Manufacturer’s Package insert, iChem® VELOCITY™Strips, A Division of IRIS International, Inc.
  2. http://online.lexi.com (Retrieved: 22 Jan 2019)