Geisinger Medical Laboratories Test Catalog

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


Geisinger Epic Procedure Code: LAB1243             Geisinger Epic ID: 52897

Specimen type:
Rectal swab
Preferred collection container:
Specimen required:
Rectal swab in APTIMA® Unisex Collection Kit OR APTIMA® Multitest Collection Kit
Special notes:
Use the APTIMA® Unisex Swab Specimen Collection kit (white label) or the APTIMA® Vaginal Collection 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 collection 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 • Specimens in broken containers • Swab submitted in M4 transport media • Swabs submitted in Viral Culture Media (V-C-M)

Interpretation guide:
Results should be interpreted in conjunction with other laboratory and clinical data available to the clinician. This is not intended for the evaluation of suspected sexual abuse or for other medico-legal indications.
Additional information:
The analytical performance characteristics of this assay have been determined by Quest Diagnostics. The modifications have not been cleared or approved by the FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
CPT code(s):
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.
Transcription-Mediated Amplification (TMA)
Quest test code 16505, Ct RNA Rectl
Clinical significance:
Chlamydia trachomatis 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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