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Overview
ข้อมูลทั่วไป Specimen
ข้อมูลสิ่งส่งตรวจ Performance
ข้อมูลการทดสอบ Clinical & Interpretation
ข้อมูลทางคลินิก
 
Test Code (รหัสการทดสอบ):
090-91-0024-01
Order Name (ชื่อการทดสอบ):
POCT - Creatinine & eGFR (MDRD equation)
 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
The specimens can be selected as list below:
  1. Fresh Venous blood / Plain syringe or
  2. Blood / Lithium heparin (Green Top) 6 mL., 1 tube
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 5 minutes (Bedside testing)
 
Useful For (ประโยชน์การทดสอบ):
For the quantitative determination of creatinine in whole blood
 
Methodology (วิธีการทดสอบ):
Amperometric assay, i-STAT1 analyzer
 
Test List In Profile (การทดสอบใน Profile):
POCT Creatinine
 
AliasesName (ชื่อเรียกอื่นๆ) :
i-STAT Creatinine
POCT Creatinine
 
 
 
Test Code (รหัสการทดสอบ):
090-91-0024-01
Order Name (ชื่อการทดสอบ):
POCT - Creatinine & eGFR (MDRD equation)
 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
The specimens can be selected as list below:
  1. Fresh Venous blood / Plain syringe or
  2. Blood / Lithium heparin (Green Top) 6 mL., 1 tube
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
  1. Fresh Venous blood from plain syringe, Test volume 65 uL
  2. Heparinized whole blood, Test volume 65 uL
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
  1. Clotted specimen will be reject.
  2. Wrong specimen container will be reject.
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Time
Venous from plain syringe Immediately testing
Heparinized whole blood specimen Can be test within 30 minutes
 
 
 
Test Code (รหัสการทดสอบ):
090-91-0024-01
Order Name (ชื่อการทดสอบ):
POCT - Creatinine & eGFR (MDRD equation)
 
Method detail (วิธีการทดสอบ):
Creatinine is hydrolyzed to creatine in a reaction catalyzed by the enzyme creatinine amidohydrolase. Creatine is then hydrolyzed to sarcosine in a reaction catalyzed by the enzyme creatine amidinohydrolase. The oxidation of sarcosine, catalyzed by the enzyme sarcosine oxidase, produces hydrogen peroxide. The liberated hydrogen peroxide is oxidized at the platinum electrode to produce a current which is proportional to the creatinine concentration.
 
Schedule (ตารางการทดสอบ):
Test Daily at 07:00 - 23:00 (Only provided at CT-MRI Department)
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 5 minutes (Bedside testing)
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
POCT, CT-MRI Department
 
 
 
Test Code (รหัสการทดสอบ):
090-91-0024-01
Order Name (ชื่อการทดสอบ):
POCT - Creatinine & eGFR (MDRD equation)
 
 
Clinical Information (ข้อมูลทางคลินิก):
Elevated levels of creatinine are mainly associated with abnormal renal function and occur whenever there is a significant reduction in glomerular filtration rate or when urine elimination is obstructed.

The concentration of creatinine is a better indicator of renal function than urea or uric acid because it is not affected by diet, exercise, or hormones.

The creatinine level has been used in combination with BUN to differentiate between prerenal and renal causes of an elevated urea/BUN.
 
Reference Value (ค่าอ้างอิง):
Sex Reference Value Unit
Male 0.73 - 1.18 mg/dL
Female 0.55 - 1.02 mg/dL
 
Clinical Reference (เอกสารอ้างอิง):
  1. i-STAT 1 User Guide; 2010, Abbott Point of Care Inc. Abbott Park, IL 60064, USA.
  2. i-STAT 1 System Manual for Waived Test; 2010, Abbott Point of Care Inc. Abbott Park, IL 60064,USA. Park, IL 60064, USA.
  3. i-STAT Cartridge and test information; 2010, Abbott Point of Care Inc. Abbott Park, IL 60064, USA.