Hu Autoantibody




Test Mnemonic

ANTIHU

CPT Codes

  • 83520 - QTY (1)

Aliases

  • Anti HU, Autoantibody
  • Anti-Neuronal Nuclear Ab type 1 (ANNA-1)

Includes

  • HU Immunoreactivity

Performing Laboratory

Athena Diagnostics


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumNo additive (Red) RefrigeratedSerum must be separated from cells within 48 hours of collection.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumSST (Gold) RefrigeratedSerum must be separated from cells within 48 hours of collection.
2 mLCerebrospinal fluid (CSF)Sterile container RefrigeratedCollect in sterile, leak-proof container.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mL     

Stability

Environmental Condition Description
Ambient72 hours
Refrigerated28 days
Frozen28 days

Days Performed

Mon - Fri

Turnaround Time

4 - 6 days

Methodology

Name Description
Automated Nanoliter Scale Immunoassay 

Special Info

Serum must be separated from cells within 48 hours of collection.

Clinical Info

Anti-Hu (ANNA1) antibody is found in 5-10% of patients with small cell carcinoma of the lung and is associated with paraneoplastic encephalomyelitis and sensory neuropathy. This semi-quantitative assay may be useful in monitoring therapeutic responses in select cases.