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Immunoglobulin G4 Subclass, Serum

Test ID: IGG4
Test
Specimen
Performance / Interpretation
Interface / Setup

Test

Aliases/Synonyms

IgG4 subclass

Method

Turbidimetry

Platform

SPA Plus™

Report Includes

Immunoglobulin G4 Subclass

Specimens

Serum

Test Location

Scarborough General Hospital, 3050 Lawrence Avenue, Scarborough ON M1P 2V5

Test Version

8-Aug-2023

Specimen

Specimens

Serum

Collection Containers

Gold top (clot activator & gel)

Sample Volume

1 mL

Minimum Volume

0.5 mL

Collection & Handling

Handling Information

Store and send frozen.

Additional Information

Provide date of birth and gender. The report will not include reference ranges when age and gender are not provided.

Stability

Refrigerated 3 days
Frozen 6 months

Rejection Criteria

Hemolysis Present

Test Version

8-Aug-2023

Performance / Interpretation

Method

Turbidimetry

Platform

SPA Plus™

Turnaround Time

7 days

Results

Name Units Reference Range Conversion Factor
IgG4 Subclass g/L
  • 0 - 2y: 0.005 - 0.784
  • 2 - 4 y: 0.010 - 0.537
  • 4 - 6 y: 0.018 - 1.125
  • 6 - 8 y: 0.004 - 0.992
  • 8 - 10 y: 0.019 - 0.932
  • 10 - 12 y: 0.016 - 1.150
  • 12 - 14 y: 0.037 - 1.360
  • 14 - 18 y: 0.110 - 1.570
  • ≥18 y: 0.039 - 0.864
 mg/L x 0.0100

Test Location

Scarborough General Hospital, 3050 Lawrence Avenue, Scarborough ON M1P 2V5

Test Version

8-Aug-2023

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
IGG4 28906IgG4 g/L

Test Version

8-Aug-2023