- ANNA
Neuronal Abs (Hu, Ri, Yo, Tr/DNER), IgG
Specimen:
Test Code
ANNA
Specimen Name
Neuronal Abs (Hu, Ri, Yo, Tr/DNER), IgG
Collect
1-SST
Submit
1 mL (Min: 0.5 mL) Serum Refrigerated
Special Handling
Separate serum from cells ASAP or within 2 hours of collection.
Rejection Criteria
Plasma. Contaminated, heat-inactivated, grossly hemolyzed, or lipemic specimens
Stability
Ambient 48 hours; Refrigerated 14 days; Frozen 1 month
Methodology
Qualitative Immunoblot / Semi-Quantitative Indirect Fluorescent Antibody (IFA)
Performed
Monday/Thursday/Saturday
Reported
2-5 days
CPT Codes
- 84182 x4
- if reflexed add 86255
- 86256
Components
Neuronal Nuclear Antibodies (Hu, Ri, Yo, and Tr/DNER) IgG by Immunoblot. If low positive, positive, or high positive, then the neuronal nuclear (ANNA) antibody and Purkinje cell (PCCA) antibody IgG are screened by IFA. If the IFA screen is positive at 1:10, then a specific titer (ANNA or PCCA) will be added. Additional charges apply.
Additional Information
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Common Lab Definitions
- Serum
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- STT