Methodology
Direct Immunofluorescence Assay (DFA)
Specimen Type
Stool
Performing Lab
Quest Diagnostics Valencia
Epic ID
Other Reference Test
Lab Test Days
Daily
Standard TAT
4-5 Days
Collection Information
Specimen Required
5-10 grams or mL Stool
Container Type
10% Formalin or Total-Fix Transport Vial
Collection Instructions
The patient must not use barium products, antacids, antidiarrheal medications, or laxatives containing oil prior to collection of a specimen for parasitological exam. The specimen must be passed into a clean dry container and must not be contaminated with urine. Add stool to the 10% formalin or Total-Fix vial to bring the liquid level to the "fill to here" line on the vial. Mix the contents thoroughly until homogenous.
Processing Information - Lab Use Only
Transport Temperature
Ambient-Only
Specimen Stability
Room Temp=6 Months; Refrigerated=Not recommended; Frozen=Unacceptable
Rejection Criteria
Unpreserved stool; Received frozen; Stool specimens preserved in trnasport media not listed as acceptable
Test Volume Required
10 grams or mL Stool
Minimum Test Volume
5 grams or mL Stool
Processing Instructions
Add stool to the 10% formalin or Total-Fix vial to bring the liquid level to the "fill to here" line on the vial. Mix the contents thoroughly until homogenous.
CPT Codes
87015, 87272
Revised
01-27-20
Initials
SL