Test ID: OLBAN CS

Oligoclonal Banding, CSF and Serum

Test Overview

Method

Isoelectric focusing (IEF)

Result Included

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

Specimen

Specimen Type

CSF & Serum

Volume

Sample Volume

1.0 mL Serum; 1.0 mL CSF

Minimum Volume

0.5 mL Serum; 0.5 mL CSF

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 3 weeks with no intervention are acceptable.

Handling Information

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

Performance & Interpretation

Turnaround Time

10 days

Results

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 to < 15 days 3 - 13.6
15 to < 1 y 1 - 6.8
1 to < 4 y 3 - 11.2
4 to < 10 y 5.2 - 13.2
10 to < 19 y 6.4 - 14.9
19+ 6.35- 17.41
Serum Albumin

g/L

0 to <14d: 28-42 g/L
14d to <1 year: 25-47 g/L
1 to <8 years: 35-46 g/L
8 to <15 years: 38-48 g/L
15 to <19 years: 35-51 g/L
19+ years: 35-50 g/L

Referral Location

Canada

Interface & Setup

HL7 Interface Codes

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

Test Version

Last Updated

2026-03-03