Methodology
Nephelometry
Specimen Type
Serum and CSF
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01255
Lab Test Days
Monday-Thursday
Standard TAT
3-7 Days
Collection Information
Specimen Required
1-2 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. CSF must be clear. (CSF collection tube #4 preferred).
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: 8 Hours; Refrigerated: 7 Days; Frozen: 90 Days
Rejection Criteria
Hemolysis
Test Volume Required
2 mL CSF ***and*** 1 mL Serum
Minimum Test Volume
1 mL CSF ***and*** 0.5 mL Serum
Included Tests
Albumin (CSF and Serum), IgG (CSF and Serum), CSF IgG Index, and CSF Synthesis Rate IgG.
CPT Codes
82040, 82042, 82784 (x2)
Revised
03-02-19
Initials
SL