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Test Code (รหัสการทดสอบ):
090-70-1020-05

Order Name (ชื่อการทดสอบ):
C.trachomatis and N.gonorrhoeae by NAAT (Urethral Swab)

 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Urethral Swab/ Transport medium
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to reported within 3 days.
 
Useful For (ประโยชน์การทดสอบ):
Use for the qualitative detection of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) in patient specimens.
 
Methodology (วิธีการทดสอบ):
Real Time Polymerase chain reaction (Real-Time PCR)
 
Test List In Profile (การทดสอบใน Profile):
Chlamydia trachomatis (CT)
Neisseria gonorrhoeae (NG)
 
AliasesName (ชื่อเรียกอื่นๆ) :
Chlamydia/Neisseria
Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG), PCR
C.trachomatis and N.gonorrhoeae by Nucleic Acid Amplification
CT/NG Nucleic Acid Amplification test
Gonorrhea
 
 
 
Test Code (รหัสการทดสอบ):
090-70-1020-05

Order Name (ชื่อการทดสอบ):
C.trachomatis and N.gonorrhoeae by NAAT (Urethral Swab)

 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Urethral Swab/ Transport medium
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Urethral Swab
 
Sub Mission Container (ภาชนะส่งตรวจ):
Transport medium
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
Hemolysis: Mild OK; Gross reject
Other:
  1. Specimen appear bloody or have a dark brown color.
  2. Specimen tubes with no swabs or with two swabs.
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Swab specimen collected in Transport medium Refrigerated, 2oC to 8oC 7 days
 
 
 
Test Code (รหัสการทดสอบ):
090-70-1020-05

Order Name (ชื่อการทดสอบ):
C.trachomatis and N.gonorrhoeae by NAAT (Urethral Swab)

 
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):
090-70-1020-05

Order Name (ชื่อการทดสอบ):
C.trachomatis and N.gonorrhoeae by NAAT (Urethral Swab)

 
 
Clinical Information (ข้อมูลทางคลินิก):
Chlamydia trachomatis (CT) is the causative infectious agent for a variety of diseases in men: urethritis, proctitis, conjunctivitis, epididymitis and Reiter’s Syndrome. Among women, the consequences of chlamydial infections are severe if left untreated. Since approximately half of these infections are asymptomatic, many cases go undetected and untreated, leading to additional problems, particularly with pregnant women. In addition, re-infections are frequent if the sex partners are not treated. CT infection can cause urethritis, cervicitis, proctitis, conjunctivitis, endometritis, salpingitis (with subsequent infertility or ectopic pregnancy) and perihepatitis. Infants from infected mothers can develop conjunctivitis, pharyngitis and pneumonia.
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):
Test Reference Value
Chlamydia trachomatis (CT) Negative
Neisseria gonorrhoeae (NG) Negative
 
Interpretation (การแปลผล):
  1. A positive result indicates that specimen is positive for the presence of Chlamydia trachomatis or Neisseria gonorrhoeae DNA and supports a diagnosis of chlamydial or gonorrheal infection.
  2. A negative result does not preclude the presence of CT and/or NG infection because the detection of C. trachomatis and 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 C. trachomatis and 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 cryptic plasmid or genomic DNA of C. trachomatis or 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, AllplexTM STI Essential Assay, January 2019, Seegene, Inc. 
Seoul 138-050, Korea