Test Directory

Test Code
HUCSF
Test Name
Neuronal Nuclear Autoantibody, CSF
CPT Codes
83520
Expected Turnaround Time
3 - 5 days
Clinical Utility

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

Specimen and Container Info

Specimen Type: Cerebrospinal Fluid

 

Collection Container: Sterile, Non-additive Container (CSF) 

Desired Specimen Volume: 2 mL

Collection Instructions
  1. Collect CSF via lumbar puncture.
Processing and Submission Instructions
  1.  Transfer 2 mL of CSF to a sterile aliquot tube.
Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

72 hours

Refrigerated

28 days

Frozen

28 days
Methodology
Automated Nanoliter Scale Immunoassay
Reference Intervals

 See patient report.

Reference Lab
Athena
Testing Schedule
Varies