Isoelectric Focusing (IEF); Radioimmunoassay (RIA)
Serum and CSF
Quest Diagnostics San Juan Capistrano
Other Reference Test
3-5 Days
1.2-2.2 mL CSF collected in sterile tube #4 is preferred to minimize blood contamination ***and*** 1-2 mL blood collected in a red-top tube
See Collection Instructions
Both CSF and 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.
Refrigerated-OK/Frozen-OK
Room Temp: 8 Hours; Refrigerated: 14 Days; Frozen: 21 Days
Received room temp; Hemolysis in CSF; Xanthochromla/RBCs in CSF
2.2 mL CSF ***and*** 1 mL Serum
1.2 mL CSF ***and*** 0.5 mL Serum
Both CSF and 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.
Myelin Basic Protein and Oligoclonal Bands (IgG), CSF.
83873, 83916 (not genetic)
10/21/24
SA