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Test Code (รหัสการทดสอบ):
090-20-1300-01

Order Name (ชื่อการทดสอบ):
Potassium (U-24 hrs)

 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
24-hour urine, Clean containner without preservative added.

Note:
1.  Please keep in refrigerated (2oC to 8oC) during collection and transportation.
2.  24-hours volume is required.
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 1.5 hours (90 mins)
 
Useful For (ประโยชน์การทดสอบ):
Determining the cause for hyper- or hypokalemia
 
Methodology (วิธีการทดสอบ):
Ion-selective electrode diluted (Indirect)
 
AliasesName (ชื่อเรียกอื่นๆ) :
K+ (Potassium), U-24 hrs.
 
 
 
Test Code (รหัสการทดสอบ):
090-20-1300-01

Order Name (ชื่อการทดสอบ):
Potassium (U-24 hrs)

 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
24-hour urine, Clean containner without preservative added.

Note:
1.  Please keep in refrigerated (2oC to 8oC) during collection and transportation.
2.  24-hours volume is required.
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
24-hour urine, minimum volume 10 mL
 
Sub Mission Container (ภาชนะส่งตรวจ):
Clean container
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
Wrong preservative type will be reject.
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
24 hours urine Refrigerated, 2oC to 8oC 2 months
Frozen, -20oC 12 months
 
 
 
Test Code (รหัสการทดสอบ):
090-20-1300-01

Order Name (ชื่อการทดสอบ):
Potassium (U-24 hrs)

 
Method detail (วิธีการทดสอบ):
Ion-selective electrode diluted (Indirect)
 
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):
7 days
 
 
 
Test Code (รหัสการทดสอบ):
090-20-1300-01

Order Name (ชื่อการทดสอบ):
Potassium (U-24 hrs)

 
 
Clinical Information (ข้อมูลทางคลินิก):
Potassium is the major cation of the intracellular fluid. Disturbance of potassium homeostasis has serious consequences. 

Decreases in extracellular potassium are characterized by muscle weakness, irritability, and eventual paralysis. Cardiac effects include tachycardia, other cardiac conduction abnormalities that are apparent by electrocardiographic examination, and eventual cardiac arrest.

Hypokalemia (low potassium) is common in vomiting, diarrhea, alcoholism, and folic acid deficiency. Additionally, >90% of hypertensive patients with aldosteronism have hypokalemia.

Abnormally high extracellular potassium levels produce symptoms of mental confusion; weakness, numbness and tingling of the extremities; weakness of the respiratory muscles; flaccid paralysis of the extremities; slowed heart rate; and eventually peripheral vascular collapse and cardiac arrest. Hyperkalemia may be seen in end-stage renal failure, hemolysis, trauma, Addison's disease, metabolic acidosis, acute starvation, dehydration, and with rapid potassium infusion.
 
Reference Value (ค่าอ้างอิง):
25 –125 mmol/24h
 
Interpretation (การแปลผล):
Hypokalemia reflecting true total body deficits of potassium (K+) can be classified into renal and nonrenal losses based on the daily excretion of K+ in the urine.
 
Clinical Reference (เอกสารอ้างอิง):
  1. Manufacturer’s reagent package insert, Architect® ICT (Na+, K+, Cl-) Sample Diluent, Abbott Laboratories, Diagnostic Division, Abbott Park IL 60064 , May 2016.
  2. http://www.mayomedicallaboratories.com (Retrieved: 01 Jan 2019)