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Test Code ANA2 Antinuclear Antibodies (ANA), Serum

Reporting Name

Antinuclear Ab, S

Useful For

Evaluating patients at-risk for antinuclear antibodies-associated systemic autoimmune rheumatic disease particularly systemic lupus erythematosus, Sjogren syndrome, and mixed connective tissue disease

Testing Algorithm

For more information see Connective Tissue Disease Cascade.

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Ordering 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

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK

Special Instructions

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

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ANA2 Antinuclear Ab, S 94875-2

 

Result ID Test Result Name Result LOINC Value
ANA2 Antinuclear Ab, S 94875-2

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Report Available

1 day

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-General Request (T239)

-Gastroenterology and Hepatology Test Request (T728)

-Renal Diagnostics Test Request (T830)