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HelpTest Code ANA2 Antinuclear Antibodies (ANA), Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumOrdering Guidance
If suspicious of connective tissue disorder, see CTDC / Connective Tissue Disease Cascade, Serum.
If suspicious of autoimmune liver disease, see ALDG / Autoimmune Liver Disease Panel, Serum.
Specimen Required
Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 21 days | |
| Frozen | 21 days |
Reference Values
Negative: ≤1.0 U
Weakly positive: 1.1-2.9 U
Positive: 3.0-5.9 U
Strongly positive: ≥6.0 U
Reference values apply to all ages.
Day(s) Performed
Monday through Saturday
CPT Code Information
86038
Report Available
1 daySpecimen Retention Time
14 daysReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |