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Test Code (รหัสการทดสอบ):
090-70-1022

Order Name (ชื่อการทดสอบ):
Neisseria gonorrhoeae by NAAT (Random Urine)

 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Random Urine/Sterile Container
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to reported within 3 days.
 
Useful For (ประโยชน์การทดสอบ):
Use for the qualitative detection of Neisseria gonorrhoeae (NG) in patient specimens.
 
Methodology (วิธีการทดสอบ):
Real Time Polymerase chain reaction (Real-Time PCR)
 
AliasesName (ชื่อเรียกอื่นๆ) :
Neisseria gonorrhoeae (NG), PCR
N.gonorrhoeae by Nucleic Acid Amplification
NG Nucleic Acid Amplification test (NAAT)
Gonorrhea
 
 
 
Test Code (รหัสการทดสอบ):
090-70-1022

Order Name (ชื่อการทดสอบ):
Neisseria gonorrhoeae by NAAT (Random Urine)

 
Patient Preparation (การเตรียมตัวผู้ป่วย):
Prior to sampling, the patient should not have urinated for at least one hour.
 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Random Urine/Sterile Container
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Initial Urine Stream 10-50 mL (minimum volume 5 mL)
 
Sub Mission Container (ภาชนะส่งตรวจ):
Sterile Container
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
  1. Urine is added any preservative solution.
  2. Urine is stored at  2oC to 30oC  longer than 24 hours.
  3. Specimens that appear bloody or have a dark brown color.
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Random Urine At temperature, 2oC to 30oC 24 hours
 
 
 
Test Code (รหัสการทดสอบ):
090-70-1022

Order Name (ชื่อการทดสอบ):
Neisseria gonorrhoeae by NAAT (Random Urine)

 
Method detail (วิธีการทดสอบ):
Real Time Polymerase chain reaction (Real-Time PCR)
 
Schedule (ตารางการทดสอบ):
Monday, Wednesday and Friday, at 10:00 a.m.
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to reported within 3 days.
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Molecular biology & Genetics, Laboratory Department Tel.14168
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
7 days
 
 
 
Test Code (รหัสการทดสอบ):
090-70-1022

Order Name (ชื่อการทดสอบ):
Neisseria gonorrhoeae by NAAT (Random Urine)

 
 
Clinical Information (ข้อมูลทางคลินิก):
Clinical manifestations of Neisseria gonorrhoeae (NG) infections are numerous. In men, acute urethritis presents itself after a 1-10 day incubation period with urethral discharge and dysuria. Only a small proportion of men remain asymptomatic without signs of urethritis. Acute epididymitis is the most common complication, especially in young men. In women, the primary site of infection is the endocervix. There is a high prevalence of co-infections with CT, Trichomonas vaginalis, and bacterial vaginosis; many women remain asymptomatic and therefore do not seek medical care. The predominant symptoms are increased discharge, dysuria, and intermenstrual bleeding. Pelvic inflammatory disease can occur in 10%-20% of women, combined with endometritis, salpingitis, tubo ovarian abscess, pelvic peritonitis, and perihepatitis. Other gonococcal infected sites are the rectum, pharynx, conjunctiva, and to a lesser degree the disease presents itself as disseminated gonococcal infection. Infants from infected mothers can develop conjunctivitis.
 
Reference Value (ค่าอ้างอิง):
Negative
 
Interpretation (การแปลผล):
  1. A positive result indicates that specimen is positive for the presence of Neisseria gonorrhoeae DNA and supports a diagnosis of gonorrheal infection.
  2. A negative result does not preclude the presence of NG infection because the detection of N. gonorrhoeae is dependent on the number of organisms present in the specimen and may be affected by specimen collection methods, patient factors (i.e., age, history of STD, presence of symptoms), stage of infection and/or infecting N. gonorrhoeae strains.
  3. Reliable results are dependent on adequate specimen collection, transport, storage and processing procedures.
  4. Though rare, mutations within the highly conserved regions of the genomic DNA of N. gonorrhoeae covered by the test’s primers and/or probes may result in failure to detect the presence of the bacterium.
 
Clinical Reference (เอกสารอ้างอิง):
Manufacturer’s package insert, cobas® 4800 CT/NG Test, March 2019, Roche Molecular Systems, NJ 08876 Branchburg, USA.