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Test Code LAB2664 CHLAMYDIA & NEISSERIA GONORRHOEAE AMPLIFIED NUCLEIC ACID

Important Note

This test is Subject to Medicare Preventive Service Coverage policy for Screening for Sexually Transmitted Infections (STI's) and High Intensity Behavioral Counseling (HIBC) to Prevent STI's.

For sites not mentioned here see Miscellaneous Chlamydia trachomatis and Neisseria gonorrohoeae by Nucleic Acid Amplification for sample and collection information.

Additional Codes

Orderable Codes:

Epic Code Atlas Code Mayo Access ID Order LOINC
LAB2664 CTGC FAH5409 64017-7

Result Component(s):

Reporting Name Epic Code Atlas Code Mayo Access ID Result LOINC
Neisseria Gonorrhoeae Result 12301001800 GCRES FAH5405 24111-7
Chlamydia Trachomatis Result 12301002429 CHRES FAH5404 21613-5

 

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Cobas Uni Swab Kit Vaginal Swab* Ambient/Refrig N/A N/A N/A 60 days
Cobas Urine Kit Urine** Ambient/Refrig To fill line To fill line N/A 30 days
Sterile Container Urine*** Refrigerate 10-50 mL 10-50 mL 10 mL 24 hours
Aptima Multi-test vial (orange) Oral Swab Ambient/Refrig N/A N/A N/A 60 days
Aptima Multi-test (orange) Anorectal Swab Ambient/Refrig N/A N/A N/A 60 days

Specimen can be self-collected in the healthcare facility, not home collected.

*A vaginal specimen is preferred source for female patients. 

**Cobas Urine Collection Kit (Yellow):  This collection method is the method of choice for males. The patient should not have urinated for at least 1 hour prior to specimen collection. Have patient collect the first urine that flows through the urethra.  In females, a first voided urine is acceptable for the detection of gonorrhea and chlamydia but might detect up to 10% fewer infections when compared with the vaginal swab samples. 

***Urine in a Sterile Container:  The patient should not have urinated for at least 1 hour prior to specimen collection. Direct patient to provide a first-catch urine (approximately 20 to 30 mL of the initial urine stream) into a sterile urine collection cup free of any preservatives. Collection of larger volumes of urine may result in DNA target dilution that may reduce test sensitivity. Any sample submitted with over 50 mls of urine will be rejected.

Female patients should not cleanse the labial area prior to providing the specimen.

If the sample can be transported to the lab within 24 hours, it may be held in the original container at 2-30° C.  If delivery will be delayed, transport sample in Cobas urine specimen transport tube with the disposable pipet and tightly recap the tube. 

Test Schedule / Analytical Time / Test Priority

Monday – Friday / 1 day / Not available STAT

Method

RT-PCR

CPT Code(s)

Description CPT Code
Chlamydia Trachomatis, Amplified DNA 87491
Neisseria Gonorrhoeae Amplified DNA                                                                   87591

 

Instrumentation

Roche Cobas 6800/Hologic Panther

Reference Range

Negative

Section

Chemistry/Microbiology

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes