Chlamydia Antigen

Test Code

CHL

CPT Codes
87491

Preferred Specimen

SWAB

Other Acceptable Specimens

URINE; PRESERVCYT THIN PREP PAP

Instructions

Aptima swab - only use swabs provided in kit. Dispose of cleaning swab and place collection swab in transport vial. Those devices received with two swabs will be rejected. Urine - send in sterile cup; no preservatives or sample will be rejected. ""Dirty Catch"" - If greater than 24 hours for transport, place in urine transport device as indicated on vial.

Transport Container

Aptima swab transport device, urine collected in sterile container, urine in Aptima transport device or preservcyt thin prep pap vial.

Transport Temperature

2-30C

Specimen Stability

APTIMA SWAB IN TRANSPORT: 60 DAYS. URINE IN STERILE CUP: 24 HRS. URINE IN APTIMA TRANSPORT TUBE: 60 DAYS. PRESERVCYT THIN PREP PAP: 30 DAYS.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

SWAB- INCORRECT KIT USED, NO SWAB OR TWO SWABS IN TRANSPORT DEVICE. URINE- SENT IN PRESERVATIVE OR DELAY IN TRANSPORT AND NOT SENT IN URINE TRANSPORT DEVICE.

Methodology
DUAL KINETIC ASSAY (DKA)/TARGET CAPTURE/ TRANSCRIPTION-MEDIATED AMPLIFICATION (TMA)

Setup Schedule

MONDAY-FRIDAY, DAILY

Report Available

SAME DAY

Reference Range

NEGATIVE

Clinical Significance

Chlamydia trachomatis infections are the leading cause of sexually transmitted diseases in the United States. It is known to cause cervicitis, pelvic inflammatory disease (PID), epididymitis and proctitis. It is also the most common non-gonococcal urethritis in men. If left untreated in women, consequences are severe. Approximately half of all Chlamydial infections are asymptomatic.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.