| Test List | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
ANA Screen, IFA with Reflex to Titer and Pattern, IFA
Test Code249
CPT Codes
86038
Includes
If ANA Screen, IFA is positive, ANA Titer and Pattern will be performed at an additional charge (CPT code(s): 86039).
Preferred Specimen
1 mL Serum collected in Separator tube (SST® - plastic only)
Minimum Volume
0.5 mL
Other Acceptable Specimens
1 mL Serum collected in a Red-top tube (no gel)
Instructions
Samples that have gross hemolysis, lipemia, or icterus are unacceptable; however, transport at room temperature is acceptable.
Transport Container
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Methodology
Immunofluorescence Assay (IFA)
Reference Range
| ANA Screen | Negative |
| ANA Titer | |
| <1:40 | Negative |
| 1:40-1:80 | Low antibody level |
| >1:80 | Elevated antibody level |
Clinical Significance
Antinuclear antibodies are associated with rheumatic diseases including Systemic Lupus Erythematous (SLE), mixed connective tissue disease, Sjogren's syndrome, scleroderma, polymyositis, CREST syndrome, and neurologic SLE.
Performed By
Quest Diagnostics Nichols Institute

