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Test Code LAB4380 ANTINUCLEAR ANTIBODIES (ANA) W/REFLEX TO ANTIBODY IDENTIFICATION

Specimen Type

Serum (SST, Gold, Corvac, Tiger, Red Top Tube)

Specimen Volume

0.5 mL

Minimum Volume

1 mL

Turnaround Time

3 days

Test Schedule

Monday-Friday Day shift only

Sample Stability

Room Temp: 2 days
Refrigerated: 5 days
Frozen: 1 year
The samples may be frozen and thawed 3 times.

Specimen Processing

Serum should be separated from the cells.

Method

Enzyme Immunoassay (EIA)

Reference Ranges

Result Interpretation

Result Interpretation

<1.0

 Negative for ANA

≥ 1.0

 Positive for ANA

Positive ANA screen results > 3.0 U will reflex for antibody classification. Reflex testing is

performed at Mayo Clinic Laboratories. The following Mayo tests are reflexed:

 Centromere Ab, IgG, S (Mayo ID: CMA)

 Ribosome P Ab, IgG, S (Mayo ID: RIB)

 Ab to Extractable Nuclear Ag Eval,S (Mayo ID: ENAE)

 dsDNA Ab with Reflex, IgG, S (Mayo ID: ADNAR)

See also: Mayo Clinic Connective Tissue Disease Cascade

Synonyms

ANAR, ANA with Reflex to Antibody Identification, ANA, Anti-nuclear Antibody, Anti-nuclear

CPT Codes

86038

Specimen Rejection

Do not use lipemic, hemolyzed, or turbid specimens