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Oligoclonal Banding, CSF and Serum

Test ID: OLBAN CS
Test
Specimen
Performance / Interpretation
Interface / Setup

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 Version

3-Mar-2026

Specimen

Specimens

CSF & Serum

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.

Test Version

3-Mar-2026

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 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

Test Version

3-Mar-2026

Interface / Setup

HL7 Interface Codes

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

Test Version

3-Mar-2026