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Vanderbilt Pathology Laboratory Services

Test Directory



CHLAMYDIA TRACHOMATIS AMPLIFIED DNA ASSAY (CTD)

Department: Molecular Infectious Disease
Test Synonym(s): CTD
CPT Codes: CT-87491
Methodology: PCR- Polymerase Chain Reaction
Reference Range: Not Detected
Tube Type: Orange top M2000 Collection Swabs, Urine: 10 mL first voided
Specimen: Urine specimens (male or female), endocervical swabs, male urethral swabs, rectal swabs and oropharyngeal swabs
Alternate Specimen: Need Medical Director approval
Pediatric Requirements: Orange top M2000 Collection swabs, Urine: 10 mL first voided specimen in a sterile container.
Volume: 10.0 mL
Minimum Volume: 4.0 mL
Temperature: Urine - refrigerated, Swabs - room temperature if same day, refrigerated if overnight or up to 6 days after collection.
Stability: Urine - refrigerated, swabs - room temperature if same day, refrigerated if overnight or up to 6 days after collection
Reasons for Rejection: Specimen collected incorrectly
Days Performed: Monday - Friday
Times Performed: Once per day Monday - Friday
TAT: 24 hours
Significance: C. trachomatis infections are the most common notifiable communicable diseases in the United States. Amplified methods are now available for the detection of C. trachomatis. Amplified methods offer increased sensitivity as opposed to non-amplified assays. Also, amplified methods allow for testing from urine specimens.
Special Instructions: Click here to print the Molecular Diagnostics requisition.

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