Geisinger Medical Laboratories Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  


Geisinger Epic Procedure Code: LAB1026             Geisinger Epic ID: 52029

Specimen type:
Rectal swab collected in an Aptima® Transport Tube
Preferred collection container:
Specimen required:
1 rectal swab collected in an Aptima® Transport Tube
Special notes:
Use the Aptima® Unisex Swab Specimen Collection Kit (white label) or Aptima® Vaginal Swab Specimen Collection Kit or Multi-test Collection Kit (orange label). Insert the small, blue-shafted collection swab (unisex kit, not the larger white-shafted cleansing swab) or the small, pink-shafted swab (vaginal kit) approximately 3-5 cm into the rectum. Rotate swab against the rectal wall at least 3 times. Withdraw the swab carefully. Swabs that are grossly contaminated with feces should be discarded and the collection repeated. Remove the cap from the swab specimen transport tube and immediately place the swab into the transport tube. Carefully break the swab shaft at the score line. Re-cap the swab specimen transport tube tightly, label and ship to the lab.

Transport temperature:
Room temperature.
Specimen stability:
Room temperature: 30 days. Refrigerated: 30 days. Frozen: 30 days.
Rejection criteria:
Transport tubes with 2 swabs. Transport tubes with non-Aptima® swabs • Swab submitted in viral transport media

Additional information:
Note: Results from the Aptima® Combo 2 Assay should be interpreted in conjunction with other laboratory and clinical data available to the clinician.
The Aptima® Combo 2 Assay is not intended for the evaluation of suspected sexual abuse or for other medico-legal indications.
CPT code(s):
87491, 87591
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
C. trachomatis TMA, Rectal; N. gonorrhoeae TMA, Rectal.
Transcription-Mediated Amplification (TMA)
CT/NG Aptima,CT/GC Aptima,CT/GC TMA,CT/NG TMA, Quest test code 16506
Clinical significance:
Both Chlamydia trachomatis and Neisseria gonorrhoeae may infect the anal/rectal canal of sexually active individuals. Detection of this organism may be important for determining the risk for disease progression or transmission.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Daily; Report available: 1-2 days    
Performed STAT? No
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