Methodology
Isoelectric Focusing (IEF)
Specimen Type
Serum and CSF
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01294
Lab Test Days
Sunday-Friday
Standard TAT
4-6 Days
Collection Information
Specimen Required
0.5-1 mL CSF collected in a sterile container ***and*** 1-2 mL Blood collected in a (red-top) tube
Container Type
See Below
Collection Instructions
It is preferred that the collection date and time be the same for both CSF and serum; however, it is acceptable for them to be drawn within 48 hours of each other. Client must be contacted when no serum is supplied to confirm the order. CSF collection tube #4 is preferred .
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp=8 Hours; Refrigerated= 5 Days; Frozen=14 Days
Rejection Criteria
Received room temp
Test Volume Required
1 mL CSF ***and*** 1 mL Serum
Minimum Test Volume
0.5 mL CSF ***and*** 0.5 mL Serum
CPT Codes
83916
Revised
09-04-20
Initials
SL