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HomeLab Services GuideTests
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Overview
ข้อมูลทั่วไป Specimen
ข้อมูลสิ่งส่งตรวจ Performance
ข้อมูลการทดสอบ Clinical & Interpretation
ข้อมูลทางคลินิก
 
Test Code (รหัสการทดสอบ):
PHOSU24
Order Name (ชื่อการทดสอบ):
Phosphate, Urine 24-Hour
 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
24-hour urine, Clean containner with preservative
Preservative -  can be selected as list below:
  1. 20 mL of 6N HCL (Preferred) or
  2. 10 mL of 25% HCl or
  3. non preservative if order with Protein (U-24 hrs) or Microalbumin ( U-24 hrs)
Note:
  • Please keep in refrigerated (2-8°C) during collection and transportation
  • 24-hours volume is required.
 
Turnaround Time (ระยะเวลารอผล):
Collected specimen to report within 1.5 hours (90 mins)
 
Useful For (ประโยชน์การทดสอบ):
Diagnosis and management of a variety of disorders including bone, parathyroid, and renal disease
 
Methodology (วิธีการทดสอบ):
Phosphomolybdate
 
AliasesName (ชื่อเรียกอื่นๆ) :
Phosphate, U-24 hrs.
PO4, U-24 hrs.
Inorganic Phosphorus, U-24 hrs.
Phosphorus, U-24 hrs.
 
 
 
Test Code (รหัสการทดสอบ):
PHOSU24
Order Name (ชื่อการทดสอบ):
Phosphate, Urine 24-Hour
 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
24-hour urine, Clean containner with preservative
Preservative -  can be selected as list below:
  1. 20 mL of 6N HCL (Preferred) or
  2. 10 mL of 25% HCl or
  3. non preservative if order with Protein (U-24 hrs) or Microalbumin ( U-24 hrs)
Note:
  • Please keep in refrigerated (2-8°C) during collection and transportation
  • 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 7 days at pH <5
24 hours urine Frozen, -20oC 30 days at pH <5
 
 
 
Test Code (รหัสการทดสอบ):
PHOSU24
Order Name (ชื่อการทดสอบ):
Phosphate, Urine 24-Hour
 
Method detail (วิธีการทดสอบ):
Phosphomolybdate
 
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):
PHOSU24
Order Name (ชื่อการทดสอบ):
Phosphate, Urine 24-Hour
 
 
Clinical Information (ข้อมูลทางคลินิก):
Approximately 80% of filtered phosphorus is reabsorbed by renal proximal tubule cells. The regulation of urinary phosphorus excretion is principally dependent on regulation of proximal tubule phosphorus reabsorption. A variety of factors influence renal tubular phosphate reabsorption, and consequent urine excretion. Factors which increase urinary phosphorus excretion include high phosphorus diet, parathyroid hormone, extracellular volume expansion, low dietary potassium intake and proximal tubule defects (eg, Fanconi Syndrome, X-linked hypophosphatemic Rickets, tumor-induced osteomalacia). Factors which decrease, or are associated with decreases in, urinary phosphorus excretion include low dietary phosphorus intake, insulin, high dietary potassium intake, and decreased intestinal absorption of phosphorus (eg, phosphate-binding antacids, vitamin D deficiency, malabsorption states).

A renal leak of phosphate has also been implicated as contributing to kidney stone formation in some patients.
 
Reference Value (ค่าอ้างอิง):
0.4 – 1.3 g/day 
 
Interpretation (การแปลผล):
Interpretation of urinary phosphorus excretion is dependent upon the clinical situation, and should be interpreted in conjunction with the serum phosphorus concentration.
 
Clinical Reference (เอกสารอ้างอิง):
  1. Manufacturer’s reagent package insert, Architect® Phosphorus, Abbott Laboratories, Abbott Park IL 60064 USA, January 2016.
  2. http://www.mayomedicallaboratories.com (Retrieved: 01 Jan 2019)