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Test Code CTGCU CHLAMYDIA AND GC NAA URINE

Additional Codes

Software Test Code
Label Text CTGCU
EPIC LAB20419

Performing Laboratory

NorDx Laboratories

Useful For

Detection of Chlamydia trachomatis and Neisseria gonorrhoeae in urine specimens for any gender

See test code CT/GC for genital sources. For oral, anal, or rectal sources see test code CTGCO.

 

Please Note:  The performance of the gonorrhea and chlamydia nucleic acid amplification assay has not been evaluated in adolescents younger than 14 years of age and is not intended for the evaluation of suspected sexual abuse or other medicolegal purposes. In circumstances where a false-positive result may have adverse psychosocial impact, CDC guidelines recommend repeat testing. 

Method Name

Transcription Mediated Amplification (TMA)

Reference Values

Negative for Chlamydia trachomatis

Negative for Neisseria gonorrhoeae

Days and Times Test Performed

Monday through Friday

Report Available

1 Day

Max Laboratory Time: 3 business days

Specimen Type

Urine

Specimen Collection and Handling

1. Patient should not have urinated for at least 2 hours prior to collection. Collect 10-50mL of first portion of random urine into a sterile plastic container.

2. 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.

3. Transport and store urine refrigerated.

 

NOTE: if Aptima® PCR Urine Sample Packet is not available transport urine in sterile container refrigerated and lab staff will aliquot into Aptima® yellow label tube.

Specimen Stability Information

Specimen Type: Urine

  • Refrigerated (sterile cup):  7 days
  • Refrigerated or Room Temperature: 30 days*
  • Frozen: 116 days*

*Specimen must have been transferred to the Aptima Collection Tube

 

Specimen Retention:  14 days

Add On Capable

Yes

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer

87494 Multiplex Amplified Probe Detection of Chlamydia trachomatis and Neisseria gonorrhoeae  

Rejection Information

Insufficient urine volume added to Aptima device. (Fill should fall between black lines on tube)

Advance Beneficiary Notice Requirements

No ABN Required