Days Set Up
Monday - Friday
Analytic Time

Screen: 24 hours; Titer: 48 hours

MiChart Code
ANA by IFA, HEp-2000 Substrate (Rheumatology Patients Only)
Soft Order Code
NAB

Test Updated:

Synonyms

ANA by IFA
FANA
HEp-2
HEp-2 ANA
NAB
ANA
FANA
HEp-2
HEp-2 ANA
NAB Titer
NAB TTR
NAB PTTRN
NUCLEAR ANTIBODY
Nuclear Antibody Titer
NAB PATTERN
NAB TITER/PATTERN
NAB PTTRN
NAB TTR
NAB PATTERN
Nuclear Antibody Titer

Looking to order a test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Indirect Fluorescent Antibody (IFA), HEp-2000 substrate

Test Usage

Initial screening test for various autoimmune disease including SLE, rheumatoid arthritis, scleroderma, and mixed connective tissue disease. A titer/pattern will be performed on all positive screens. Any degree of positivity in children suggests possibility of SLE or JRA and the more specific tissue ANA will be run on all children less than 18 years of age.

Reference Range

Screen: Negative. Titer: <1:80.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Available only by special request (e.g., rheumatology patients). See also Antinuclear Antibody Screen by Multiplexed Immunoassay. Collect specimen in SST tube.

Collection Offsite

Collect specimen in SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.2 mL serum

Billing Information

CPT Code
86038
Pro Fee Code
 
LOINC
42254-3 NAB, 5048-4 NAB TITER

Have More Questions?

Explore our helpful billing resources:

Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.