Specimen

CSF & Serum

Collection Medium:

Minimum:

Adults: 5 ml red top and 2.5 ml CSF (both required)
Pediatrics:  2 ml red top and 2.5 ml CSF (both required)
The CSF and serum samples must be collected at the same time, from the 
same patient.

Testing Schedule:

Weekly
Testing will be performed at 0700 a.m. on Tuesdays.

Analytic Time:

1 week

Reference Range:

Oligoclonal banding absent, CSF index 0.0 - 0.7
Denovo IgG synthetic rate -9.9 - 3.3 mg/24 hr

Comments:

Include pertinent clinical information on requisition.
Report includes:
  1.  CSF and serum albumin quantitations
  2.  CSF and serum IgG quantitations
  3.  CSF IgG index
  4.  Denovo CNS IgG synthetic rate.
  5.  CSF agarose electrophoresis (IgG oligoclonal banding) and
      interpretation by pathologist.

Methodology:

Turbidometry and High Resolution Electrophoresis

CPT Code:

82040 x2, 82784 x2, 83916, 80500