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Test Code Billings Clinic: 6603 Antinuclear Antibody (ANA) Screen, Serum

Important Note

This in-house testing is not available at this time.  Please order the following alternative test performed at Mayo: 

9554 (ANA2 - Antinuclear Antibodies (ANA), Serum)

Performing Laboratory

Billings Clinic Laboratory: Microbiology

Useful For

To help diagnose and distinguish between autoimmune disorders as well as to monitor autoimmune disease progression.

Methodology

Indirect Fluorescent Antibody (IFA)

 

General Information:

The substrate used is the HEp-s (human epithelial) cell line with mitotic figures.

Specimen Requirements

  • Draw blood in a serum gel tube(s).
  • Spin down and send 0.5 mL of serum frozen in plastic vial.

Reference Values

Negative

  • Positive results will be titered.
  • Drug-induced lupus may be caused by procainamide, hydralazine, methyldopa, or isoniazid. The normal population, ≥50 years, may have a positive result.

Day(s) Test Set Up

Monday, Wednesday, Friday

Test Classification and CPT Coding

86038 - ANA screen
86039 - ANA titer (if appropriate)

LOINC Code Information

Reporting Name LOINC Code
ANA Screen 42254-3
ANA Titer 5048-4

 

Specimen Requirements - Specimen Processing

Aliquot serum into 2 plastic vials.

Store 2 vials in ANAS1 rack in Freezer 32 (F2).

Profile/Testing Information

Profile Information:
Antinuclear Antibody (ANA) Screen  
Reflex Tests (at an additional charge):
Antinuclear Antibody (ANA) Titer  

Reflex Information:
If Billings Clinic: #6603 “Antinuclear Antibody (ANA) Screen, Serum” is positive; Billings Clinic: #6692 “Antinuclear Antibody (ANA) Titer, Serum” will be performed unless otherwise specified in the order.

This test may automatically reflex to other tests. An additional fee may be added. The ordering physician/provider must indicate if the reflex test is NOT DESIRED. Indicate on order if no reflex test is desired.