Test Code GCDNA NEISSERIA GONORRHOEAE DETECTION BY NUCLEIC ACID AMPLIFICATION
Additional Codes
Software | Test Code |
---|---|
Label Text | GCDNA |
EPIC | LAB10247 |
Performing Laboratory
NorDx Laboratories
Useful For
Detecting of Neisseria gonorrhoeae
Method Name
Transcription Mediated Amplification (TMA)
Reference Values
Negative for Neisseria gonorrhoeae
If positive, reported as positive for Neisseria gonorrhoeae
Days and Times Test Performed
Monday through Friday
Report Available
1 Day
Max Laboratory Time: 3 business days
Profile Information
Individual Test Description |
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GONORRHEA PROBE |
SOURCE, PROBE |
Specimen Type
Submit one of the following:
- Vaginal/Genital
- Endocervical Swab
- Male Urethral Swab
Preferred Container
Aptima® Multitest Swab Specimen Collection Kit
Aptima® Urine Specimen Collection Kit
Aptima® Unisex Swab Specimen Collection Kit
Sterile Vial – Sterile transport container acceptable for urine specimens only.
Preferred Volume
Urine: 50 mL (Sterile Vial)
Minimum Volume
Urine: 2 mL (Sterile Vial)
Specimen Collection and Handling
Submit only one of the Following:
URINE:
1. Patient must not have urinated for at least 2 hours prior to sampling.
2. Collect 10-50 mL of first catch urine (first part of the stream) in a sterile container without preservatives.
3. Seal the container and label.
4. Transfer enough urine with pipet into the tube provided in the Aptima® PCR Urine Sample Packet. The fluid level must fall between the 2 black lines on the urine transport tube.
5. Urine specimens are accepted for both males and females.
6. According to the MMWR, the sensitivity of detecting CT/GC infections by any NAAT test can be up to 10% lower in a female urine specimens compared to a vaginal or endocervical swab, while the specificity is the same. For female patients, a vaginal swab is the preferred specimen.
To Process:
1. Send refrigerated and transport promptly.
2. Specimen must be received in the laboratory the same day as collected.
VAGINAL SWAB (Preferred Female Specimen):
1. Collect using the Aptima® Multitest Swab Specimen Collection Kit supplied by NorDx (see below)
2. Insert dry swab into vagina (do not pre-wet in PCR media) and rotate swab for 30 seconds to ensure adequate sampling.
3. Transfer swab to the tube of Aptima® PCR Medium and break swab into the tube at the scored black line on the shaft.
4. Leave swab in the transport medium and replace the tube cap securely to prevent leaking.
5. Label the transport tube according to policy and transport to the lab for testing.
6. Send at 2-30°C.
SPECIMEN SOURCE IS REQUIRED ON REQUEST FORM FOR PROCESSING
This test has been approved by the U.S. Food and Drug Administration (FDA) for use with the following specimen types: 1) self-collected vaginal swabs collected with a Aptima® PCR Female Swab Sample kit in a clinical setting, 2) male urine specimens that have been stabilized in Aptima® PCR media within 24 hours of collection. Use of other specimen types may adversely affect assay performance. Replens® lubricant, spermicidal agents and feminine powder sprays may interfere with the assay lead to a result of INVALID. These products should not be used prior to specimen collection.
Specimen Stability Information
- Refrigerated or Room Temperature: 60 days
- Frozen: 90 days
Add On Capable
Yes
Advance Beneficiary Notice Requirements
No ABN Required
CPT Code Information
CPT Code |
CPT Description |
CPT Disclaimer |
---|---|---|
87591 | Infectious Agent Detection by Nucleic Acid (DNA or RNA), Neisseria gonorrhoeae, Amplified Probe Technique |
Keywords
GC/CHLAMYDIA, POLYMERASE CHAIN REACTION
Performing Laboratory Location
NorDx Laboratories
LOINC Code Information
5028-6
Rejection Information
Receipt of transport medium with no swab (unless urine)