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HelpTest Code LAB0203984 Extractable Nuclear Antibody, Serum
Methodology
EliA
Useful for evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive.
Performing Laboratory
CentraCare Laboratory Services
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold top (SST) & Red top (Serum & No Additive)
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.6 mL
Collection Instructions: Label specimen appropriately (serum).
If collecting using a red top with no gel separator, the serum must be removed within 1 hour of collection.
Specimen Transport Temperature
Refrigerated if testing will be completed within 48 hours
Frozen and removed from gel if testing will not be completed within 48 hours
Reference Values
JO1 antibodies, IgG:
Negative: <7 U/mL
Equivocal: 7-10 U/mL
Positive: >10 U/mL
Scl 70 antibodies, IgG:
Negative: <7 U/mL
Equivocal: 7-10 U/mL
Positive: >10 U/mL
Sm antibodies, IgG:
Negative: <7 U/mL
Equivocal: 7-10 U/mL
Positive: >10 U/mL
SS-A/Ro antibodies, IgG:
Negative: <7 U/mL
Equivocal: 7-10 U/mL
Positive: >10 U/mL
SS-B/La antibodies, IgG:
Negative: <7 U/mL
Equivocal: 7-10 U/mL
Positive: >10 U/mL
U1RNP antibodies, IgG:
Negative: <7 U/mL
Equivocal: 7-10 U/mL
Positive: >10 U/mL
Day(s) Test Set Up
Monday through Friday
Test Classification and CPT Coding
86235 x 6