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Oligoclonal Banding, CSF and Serum

Test ID: OLBAN CS

Test

Method

Isoelectric Focusing

Report Includes

IgG, CSF; Albumin, CSF; IgG/Albumin Ratio; Albumin Index; IgG Index; CSF Specific Bands; Serum and CSF Matched Bands; Oligoclonal Banding Interpretation; IgG, Serum; Albumin, Serum

Specimens

CSF & Serum

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

5-Apr-2023

Specimen

Specimens

CSF & Serum

Sample Volume

1 mL Serum; 1 mL CSF

Minimum Volume

0.5 mL Serum; 0.5 mL CSF

Specimen Comment

Plasma is not suitable.

Pediatric Volume

0.5 mL Serum; 0.5 mL CSF

Collection & Handling

Collection Instructions

Analysis and interpretation requires both specimens – concurrent collection of CSF and serum specimens is recommended. However, specimens collected within 48 hours with no intervention are acceptable.

Handling Information

Store and send frozen – specimen must be received at ICL within 5 days of collection.

Test Version

5-Apr-2023

Performance / Interpretation

Method

Isoelectric Focusing

Turnaround Time

10 days

Results

Name Units Reference Range Conversion Factor
IgG, CSF g/L
  • <0.060
Albumin, CSF g/L
  • 0.100 - 0.250
IgG/Albumin Ratio
  • <0.250
Albumin Index
  • <0.9
IgG Index
  • <70
CSF Specific bands
  • <2
Serum and CSF Matched Bands
OLIG Interpretation
Serum IgG g/L
  • 0 d - 14 d: 3.00 - 13
  • 15 d - 1 y: 1.10 - 6.50
  • 1 - 3 y: 3.00 - 10.70
  • 4 - 9 y: 5.10 - 12.60
  • 10 - 18 y: 6.20 - 14.20
  • 19 and over: 6.35 - 17.41
Serum Albumin g/L
  • 1 d: 23.00 - 37.00
  • Over 1 d: 35.00 - 50.00

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

5-Apr-2023

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
OLBAN CS 3060IgG, CSF g/L
3061Albumin, CSF g/L
36614IgG/Albumin Ratio
36610Albumin Index
36612IgG Index
63561CSF Specific Bands
63562Serum and CSF Matched Bands
36616OLIG Interpretation
63563Serum IgG g/L
63564Serum Albumin g/L

Test Version

5-Apr-2023