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HomeLab Services GuideTests% CD 16/56
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Overview
ข้อมูลทั่วไป Specimen
ข้อมูลสิ่งส่งตรวจ Performance
ข้อมูลการทดสอบ Clinical & Interpretation
ข้อมูลทางคลินิก
 
Test Code (รหัสการทดสอบ):
090-40-0630-01
Order Name (ชื่อการทดสอบ):
Urine C/S , Ureter
 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Urine/ Sterile container 
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to reported within 3 days.
 
Useful For (ประโยชน์การทดสอบ):
1. Diagnosis of urinary tract infections.
2. Quantitative culture results may be helpful in discriminating contamination, colonization, and infection.
 
Methodology (วิธีการทดสอบ):
1. Conventional Culture Technique
2. Identification by MALDI-TOF 
3. Suceptibility test by Vitek 2 Compact
 
AliasesName (ชื่อเรียกอื่นๆ) :
Aerobic culture
Aerobic bacteria culture
Culture, General Bacteria
Bacteria cullture
 
 
 
Test Code (รหัสการทดสอบ):
090-40-0630-01
Order Name (ชื่อการทดสอบ):
Urine C/S , Ureter
 
Patient Preparation (การเตรียมตัวผู้ป่วย):
Medications: Do not use antibiotics before collection of specimen
 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Urine/ Sterile container 
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Urine, Volume minimum 1 mL
 
Sub Mission Container (ภาชนะส่งตรวจ):
Sterile container
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
Urine >2 hour (not refrigerate) and >24 hours old 
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen type Temperature Time
Urine Room Temperature 2 hours
  Refrigerated, 2oC to 8oC 24 hours
 
 
 
Test Code (รหัสการทดสอบ):
090-40-0630-01
Order Name (ชื่อการทดสอบ):
Urine C/S , Ureter
 
Schedule (ตารางการทดสอบ):
Tested daily (24 hours)
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to reported within 3 days.
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Microbiology, Laboratory Department Tel. 14172
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
7 days
 
 
 
Test Code (รหัสการทดสอบ):
090-40-0630-01
Order Name (ชื่อการทดสอบ):
Urine C/S , Ureter
 
 
Clinical Information (ข้อมูลทางคลินิก):
Urinary tract infections are caused by organisms such as bacteria overcoming the body's defenses in the urinary tract. They can affect the kidneys, bladder, and the tubes that run between them.
The urinary tract can be divided into the upper urinary tract and the lower urinary tract. The upper urinary tract consists of the kidneys and the ureters, and the lower urinary tract consists of the bladder and the urethra. Most UTIs are not serious, but some can lead to serious problems, particularly with upper UTIs. Recurrent or long-lasting kidney infections can cause permanent damage, and some sudden kidney infections can be life-threatening, particularly if bacteria enter the bloodstream in a condition known as septicemia.
 
Reference Value (ค่าอ้างอิง):
No growth or identification of probable pathogens with colony count ranges.
 
Interpretation (การแปลผล):
In general, the isolation of more than 10,000 cfu/mL of a urinary pathogen is indicative of urinary tract infection (UTI). Isolation of 2 or more organisms above 10,000 cfu/mL may suggest specimen contamination. For specimens contaminated with the usual bacterial flora, bacteria that are potentially pathogenic are identified.

Although urine is normally sterile, contamination by organisms normally present in the urethra or on periurethral surfaces can allow a proliferation of these organisms yielding misleading urine culture results.

Urine held at ambient temperature for more than 30 minutes supports the growth of both pathogens and contaminants, leading to potentially inaccurate colony counts.
 
Clinical Reference (เอกสารอ้างอิง):
1. https://www.mayocliniclabs.com (Retrieved: 29 Jan 2019)
2. https://www.medicalnewstoday.com/articles/189953.php (Retrieved: 16 Sep 2019)