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HelpDNA (ds) Antibody, Crithidia IFA with Reflex to Titer
Additional Codes
Use Miscellaneous test code LAB000 then input Quest code 37092 - DNA (ds) Antibody, Crithidia IFA with Reflex to Titer
Clinical Significance
DNA (ds) Antibody, Crithidia IFA with Reflex to Titer - dsDNA Antibody is detected in patients with active systemic lupus erythematosus (SLE) and approximately 20% of patients with mixed connective tissue disease.
Performing Laboratory
Quest Diagnostics
Testing Algorithm
If the DNA (ds) Antibody Screen is positive, then DNA (ds) Antibody Titer will be performed at an additional charge
Methodology
Immunofluorescence Assay (IFA)
Specimen Requirements
Patient Preparation:
Overnight fasting is preferred
Specimen Type: Serum
Container/Tube: Plain red top, Red/grey or Gold
Specimen Volume: Full tube
Specimen Minimum Volume: 0.2 mL
Transport Container: Transport tube
Specimen Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 16 days
Frozen: 35 days
Day(s) Test Set Up
Tues - Sat
Report available 2-4 days
Reference Values
Negative
Test Classification and CPT Coding
86255
86256, if needed