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Test Code AK5CC Adenylate Kinase 5 (AK5) IgG, Cell Based Assay, Spinal Fluid (Non-Orderable)


Specimen Required


Only orderable as a reflex. For more information see:

-DMC2 / Dementia, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

-ENC2 / Encephalopathy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

-EPC2 / Epilepsy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid


Useful For

Only orderable as a reflex. For more information see:

DMC2 / Dementia, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

ENC2 / Encephalopathy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

EPC2 / Epilepsy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

 

Evaluation of patients suspected to have autoimmune encephalitis using spinal fluid specimens

 

Reporting adenylate kinase 5 IgG results as part of a profile

Reporting Name

AK5 Ab CBA, CSF

Specimen Type

CSF

Specimen Minimum Volume

1.5 mL

Specimen Stability Information

Specimen Type Temperature Time
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:

-DMC2 / Dementia, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

-ENC2 / Encephalopathy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

-EPC2 / Epilepsy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

 

Negative

Method Description

Patient specimen is applied to a composite slide containing transfected and non-transfected human embryonic kidney (HEK293) cells. After incubation and washing, fluorescein-conjugated goat-antihuman IgG is applied to detect the presence of patient IgG binding.(Unpublished Mayo method)

Day(s) Performed

Varies

Report Available

5 to 10 days

Specimen Retention Time

2 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86255

LOINC Code Information

Test ID Test Order Name Order LOINC Value
AK5CC AK5 Ab CBA, CSF In Process

 

Result ID Test Result Name Result LOINC Value
623400 AK5 Ab CBA, CSF In Process