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Test ID K11CC Kelch-Like Protein 11 Antibody, Cell Binding Assay, Spinal Fluid

Specimen Required

Container/Tube: Sterile vial

Specimen Volume: 2 mL

Useful For

Evaluating patients with paraneoplastic or autoimmune encephalitis (brainstem encephalitis or limbic encephalitis or cerebellar ataxia) using spinal fluid specimens

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
K11TC KLHL11 Ab IFA Titer, CSF No No

Testing Algorithm

If the cell binding antibody result is reactive, then the immunofluorescence titer assay will be performed at an additional charge.

Method Name

Cell-Binding Assay (CBA)

Reporting Name


Specimen Type


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
CSF Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  72 hours

Reference Values


Day(s) Performed


Report Available

3 to 5 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information


86256 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
K11CC KLHL11 Ab CBA, CSF 99073-9


Result ID Test Result Name Result LOINC Value
610580 KLHL11 Ab CBA, CSF 99073-9


If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.