PNEFC - Specimen: Neuroimmunology Antibody Follow-up, Spinal Fluid

Test Catalog

Test Name

Test ID: PNEFC    
Neuroimmunology Antibody Follow-up, Spinal Fluid

Specimen Type Describes the specimen type validated for testing


Advisory Information

This test is only appropriate for follow-up in patients who have previously tested positive in a spinal fluid test. If patients have not previously been positive in a spinal fluid test, order 1 of the following:

-PAC1 / Paraneoplastic, Autoantibody Evaluation, Spinal Fluid

-DMC1 / Dementia, Autoimmune Evaluation, Spinal Fluid

-ENC1 / Encephalopathy, Autoimmune Evaluation, Spinal Fluid

-EPC1 / Epilepsy, Autoimmune Evaluation, Spinal Fluid

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Container/Tube: Sterile vial

Specimen Volume: 4 mL


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

Specimen Minimum Volume The amount of sample necessary to provide a clinically relevant result as determined by the Laboratory.

3 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected


Mild OK; Gross reject


Mild OK; Gross reject


Mild OK; Gross reject




Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperatures are also included.

Specimen TypeTemperatureTime
CSFRefrigerated (preferred)28 days
 Frozen 28 days
 Ambient 72 hours