ARUP's Laboratory Test Directory

Chlamydia trachomatis DFA : 0060287

Mnemonic: CHLAF

Methodology: Direct Fluorescent Antibody Stain
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  Genital, eye, nasopharyngeal, or rectal swab. Source of specimen is preferred.  For Chlamydia DFA only, collection kits with fixative are available from ARUP, supply #16578.

Transport:  Fixed specimen - smear on slide at 20-25°C.

Submit specimen according to Biological Substance, Category B, shipping guidelines.


Pediatric Collection/Transport:  

Submit specimen according to Biological Substance, Category B, shipping guidelines.


Unacceptable Conditions:  Dry swabs, swabs in gel.  Transport systems designed for use with other methodologies (Aptima, Digene, EIA, etc.).

Stability:  Ambient: 1 week; Refrigerated: 1 week; Frozen: 1 week
Reference Interval:
Negative
Note: Sensitivity of this method is dependent on adequacy of the smear. If there are fewer than 20 columnar epithelial cells, the result will be reported as "sample inadequate."

Amplified DNA testing is recommended for detection of Chlamydia trachomatis from endocervical or urethral specimens.  Refer to Chlamydia trachomatis by Amplified Detection (APTIMA®) (0060243). Specimen must be collected and transported with test-specific kit.  Culture is recommended for Chlamydia trachomatis detection in suspected sexual abuse and for suspected failure of therapy. Refer to Chlamydia trachomatis Culture (Genital) (0060850).
CPT Code(s): 87270
 
 

 

 

 
All ARUP Sites:        www.aruplab.com     ·     www.arupconsult.com     ·     www.arup.utah.edu     ·     www.childx.org     ·     www.utahblood.org