Methodology
Direct Immunofluorescence Assay (DFA)
Specimen Type
See Collection Instructions
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01482
Lab Test Days
Monday-Saturday
Standard TAT
1-2 Days
Collection Information
Specimen Required
1 Swab or 1 Slide urethral, cervical, rectal mucosal, eye or nasopharyngeal on a clean glass microscope slide fixed with methanol or in VCM or equivalent medium
Container Type
See Below
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK/Ambient-OK
Specimen Stability
Room Temp: 7 Days (Unacceptable for VCM medium or equivalent UTM); Refrigerated: 7 Days ( 48 Hours for VCM medium or equivalent UTM); Frozen: Unacceptable (30 Days for VCM medium or equivalent UTM)
Rejection Criteria
Unfixed slides; Raw (not in transport) samples; Urine; Wooden shaft or calcium alginate swabs; Dry swabs; Swabs in bacterial gel-based transport media; Swabs in nucleic acid transport media; Tissues in fixatives; Broken slides
Minimum Test Volume
1 Swab or 1 Slide
CPT Codes
87270
Revised
09-27-22