Skip to main content

Specimen Collection Manual and Test Catalog

  or
  or
  or

ENCEPHALOPATHY, AUTOIMMUNE/PARANEOPLASTIC EVALUATION,CSF

Geisinger Epic Procedure Code:  LAB4813    Geisinger Epic ID:  184206

SPECIMEN COLLECTION
Specimen type: 

CSF


Preferred collection container: 
Specimen required: 

4 mL CSF; minimum 2 mL.



SPECIMEN PROCESSING
Processing instructions: 

Aliquot 4 mL CSF and refrigerate.


Transport temperature: 

Refrigerated.


Specimen stability: 

Room Temperature: 72 hours. Refrigerated: 28 days. Frozen: 28 days.


Rejection criteria: 

Gross hemolysis, lipemia or icterus.



TEST DETAILS
CPT code(s):  86255 x 23, 86341 x1
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Cell-binding assay (CBA)
Immunoblot
Indirect Immunofluorescence
Radioimmunoassay (RIA)
Western Blot
Synonyms: 

ENC2


Clinical significance: 

Evaluating new onset encephalopathy (noninfectious or metabolic) comprising confusional states, psychosis, delirium, memory loss, hallucinations, movement disorders, sensory or motor complaints, seizures, dyssomnias, ataxias, nausea, vomiting, inappropriate antidiuresis, coma, dysautonomias, or hypoventilation in spinal fluid specimens.


Review Date:  12/20/2024

Performing Locations