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Multiple Sclerosis Evaluation
Test Code17505
CPT Codes
82040, 82042, 83873, 83916, 82784 (x6)
Includes
IgA, Serum
Immunoglobin M (IgM) Serum
Albumin, Serum
224 - Albumin, CSF
663 - Myelin Basic Protein
674 - Oligoclonal Bands (IgG), CSF
4447 - IgA, CSF
4449 - IgM, CSF
4448 - IgG, CSF
Immunoglobin M (IgM) Serum
Albumin, Serum
224 - Albumin, CSF
663 - Myelin Basic Protein
674 - Oligoclonal Bands (IgG), CSF
4447 - IgA, CSF
4449 - IgM, CSF
4448 - IgG, CSF
Preferred Specimen
3 mL CSF and 3 mL serum
Minimum Volume
2 mL CSF and 2 mL serum
Instructions
Please see the individual tests for specific specimen requirements and stabilities.
Both CSF & serum are required specimens. It is preferred that the collection date and time be the same for both; however, it is acceptable for them to be drawn within 48 hours of each other. If no serum is supplied, the client will be contacted to confirm the order.
CSF collection tube #4 is preferred. Submitting 4th lumbar puncture collection tube minimizes blood contamination.
Transport Temperature: Refrigerate CSF specimens at 2-8°C in sterile, plastic CSF vial(s) and send refrigerated (cold packs) to the laboratory OR freeze CSF specimens at -20°C and send frozen samples to the laboratory on dry ice.
Both CSF & serum are required specimens. It is preferred that the collection date and time be the same for both; however, it is acceptable for them to be drawn within 48 hours of each other. If no serum is supplied, the client will be contacted to confirm the order.
CSF collection tube #4 is preferred. Submitting 4th lumbar puncture collection tube minimizes blood contamination.
Transport Temperature: Refrigerate CSF specimens at 2-8°C in sterile, plastic CSF vial(s) and send refrigerated (cold packs) to the laboratory OR freeze CSF specimens at -20°C and send frozen samples to the laboratory on dry ice.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 21 days
Refrigerated: 7 days
Frozen: 21 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Xanthochromia/RBCs in CSF • Received room temperature
Methodology
Isoelectric Focusing (IEF) • Nephelometry • Radioimmunoassay (RIA) • Turbidimetric
Setup Schedule
Set up: Mon, Thurs; Report available: 4 days
Reference Range
See Laboratory Report
