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Test Code SP5CC Septin-5 Antibody, Cell-Binding Assay, Spinal Fluid


Specimen Required


Only orderable as a reflex. For more information see MDC2 / Movement Disorder, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid.

 

Container/Tube: Sterile vial

Specimen Volume: 1.5 mL


Useful For

Detecting septin-5 IgG by cell-binding assay using cerebrospinal fluid specimens

Testing Algorithm

If the indirect immunofluorescence (IFA) pattern suggests septin-5, then this test and septin-5 antibody IFA titer will be performed at an additional charge.

Method Name

Only orderable as a reflex. For more information see MDC2 / Movement Disorder, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid.

 

Cell-Binding Assay (CBA)

Reporting Name

Septin-5 CBA, CSF

Specimen Type

CSF

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

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

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject

Reference Values

Only orderable as a reflex. For more information see MDC2 / Movement Disorder, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid.

 

Negative

Interpretation

Seropositivity for septin antibodies by indirect immunofluorescence (IFA) is consistent with a diagnosis of autoimmune disease of the central nervous system. Cell-binding assay (CBA) testing for septin-5 IgG is required to confirm the diagnosis. Seropositivity for septin-5 IgG by CBA confirms a diagnosis of autoimmune disease of the central nervous system.

Day(s) Performed

Monday through Sunday

Report Available

5 to 10 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. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

86255

LOINC Code Information

Test ID Test Order Name Order LOINC Value
SP5CC Septin-5 CBA, CSF In Process

 

Result ID Test Result Name Result LOINC Value
615868 Septin-5 CBA, CSF In Process