Test Directory

Test Code
DNAIF
Test Name
DNA Antibodies, Crithidia IFA
CPT Codes
86255
Expected Turnaround Time
1 - 7 days
Clinical Utility

This antibody is a marker for the diagnosis and monitoring of systemic lupus erythematosus (SLE).

Specimen and Container Info

Preferred Specimen Type: Serum

Desired Specimen Volume: 2 mL

Preferred Collection Container: Gold Top, Serum Separator

Processing and Submission Instructions
  1. Allow specimen to sit upright for 30 minutes.
  2. Centrifuge 15 minutes. 
Transport Instructions

Transport refrigerated. 

Stability Requirements

Refrigerated

7 days

Frozen

<20°C for long-term storage.    

Freeze/Thaw Cycles

Avoid multiple freeze/thaw cycles. 

Methodology
IFA
Reference Intervals
SexAgeReference IntervalUnit
FemaleAll Age GroupsNegativetiter
MaleAll Age GroupsNegativetiter

Negative or <1:10 dilution.

Performing Location
Roble Road Core Laboratory
Testing Schedule
Routine, 1 to 2 times per week