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
Volume2 mLTypeSerumContainerNo additive (Red)Collect Temperature Transport TemperatureRefrigeratedSpecial InstructionsSerum must be separated from cells within 48 hours of collection.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
Volume2 mLTypeSerumContainerSST (Gold)Collect Temperature Transport TemperatureRefrigeratedSpecial InstructionsSerum must be separated from cells within 48 hours of collection.
Volume2 mLTypeCerebrospinal fluid (CSF)ContainerSterile containerCollect Temperature Transport TemperatureRefrigeratedSpecial InstructionsCollect in sterile, leak-proof container.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
Volume0.5 mLType Container Collect Temperature Transport Temperature Special Instructions 

Stability

Environmental Condition Description
Environmental ConditionAmbientDescription72 hours
Environmental ConditionRefrigeratedDescription28 days
Environmental ConditionFrozenDescription28 days

Days Performed

Mon - Fri

Turnaround Time

4 - 6 days

Methodology

Name Description
NameAutomated Nanoliter Scale ImmunoassayDescription 

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.