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Test Code (รหัสการทดสอบ):
090-20-1320-01

Order Name (ชื่อการทดสอบ):
Sodium (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):
Assessing acid-base balance, water balance, water intoxication, and dehydration
 
Methodology (วิธีการทดสอบ):
Ion-selective electrode diluted (Indirect)
 
AliasesName (ชื่อเรียกอื่นๆ) :
Na+ (Sodium), U-24 hrs.
 
 
 
Test Code (รหัสการทดสอบ):
090-20-1320-01

Order Name (ชื่อการทดสอบ):
Sodium (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 45 days
Frozen, -20oC 12 months
 
 
 
Test Code (รหัสการทดสอบ):
090-20-1320-01

Order Name (ชื่อการทดสอบ):
Sodium (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):
090-20-1320-01

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

 
 
Clinical Information (ข้อมูลทางคลินิก):
Sodium is the major cation of extracellular fluid; it plays an essential role in the normal distribution of water and in the maintenance of osmotic pressure in extracellular fluid compartments. Decreased levels of sodium may be caused by an excessive use of diuretics, prolonged vomiting, a decrease in the intake of sodium in the diet, and metabolic acidosis. Increased levels of sodium may be found in Cushing’s syndrome, severe dehydration, or in high levels of salt intake without an adequate supply of water.
 
Reference Value (ค่าอ้างอิง):
40 – 220 mmol/24hours
 
Interpretation (การแปลผล):
Urinary sodium (Na+) excretion varies with dietary intake, and there is a large diurnal variation with the rate of Na+ excretion during the night being only 20% of the peak rate during the day.

Na+ may be lost in the kidneys as a result of diuretic therapy, salt-losing nephropathies, or adrenal insufficiency, with the urinary Na+ concentration usually more than 20 mEq/L. In these hypovolemic states, urine Na+ values less than 10 mEq/L indicate extrarenal Na+ loss. In hypervolemic states, a low urine Na+ (<10 mEq/L) may indicate nephrotic syndrome in addition to nonrenal causes.
 
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)