Days Set Up
Monday, Wednesday, Friday
Analytic Time

5 - 9 days

MiChart Code
Soft Order Code

Test Updated:


Paraneoplastic Autoantibody, Antineuronal Nuclear Antibody 1
Antineuronal Nuclear Antibody (ANNA) Type 1
Sensory Neuropathy Antibody
Neuronal Nuclear Antibody, Type 1

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

Test FAQ

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Test Overview

Test Methodology

Immunofluorescence (IFA), Western Blot

Test Usage

Antineuronal Nuclear Antibody (Anti-Hu) is found in 5-10% of patients with small cell carcinoma of the lung. Anti-Hu is associated with subacute syndrome of encephalomyeloradiculopathy, sensory neuropathy, and autoimmune neuropathy, predominantly affecting the gastrointestinal tract.

Reference Range

Negative; Western blot= Negative; Hu titer <1:40

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

Specimen Requirements

Collection Offsite

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

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

Billing Information

CPT Code
Pro Fee Code

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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.