IgG Subclasses


Sunquest Code:IGGSUB  
Epic Code:LAB3102Epic Name:Immunoglobulin G Subclasses
Synonyms:IGGSUB
Methodology:Immunoturbidimetry
Test Includes:Total (measured) IgG and IgG Subclasses
Turnaround Time:Performed two times a week; results are reported the same day.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.8 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Samples not separated from cells within 2 hours of collection.


Processing and Shipping

Specimen Processing:Within 2 hours of collection, centrifuge and aliquot 0.5 mL, 0.3 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Endocrine  (UMMC-East Bank)


Interpretive

Reference Range:
IgG1  
Age mg/dL
0-2 y 194-842
2-4 y 306-945
4-6 y 306-945
6-8 y 288-918
8-10 y 432-1020
10-12 y 423-1060
12-14 y 342-1150
14-18 y 315-855
>18 y 382-929

 
IgG2  
Age mg/dL
0-2 y 23-300
2-4 y 36-226
4-6 y 60-345
6-8 y 44-375
8-10 y 72-430
10-12 y 76-355
12-14 y 100-455
14-18 y 64-495
>18 y 242-700

 
IgG3  
Age mg/dL
0-2 y 19-85
2-4 y 17-68
4-6 y 10-122
6-8 y 16-85
8-10 y 13-85
10-12 y 17-173
12-14 y 28-125
14-18 y 23-196
>18 y 22-176

 
IgG4  
Age mg/dL
0-2 y 1-78
2-4 y 1-54
4-6 y 2-112
6-8 y 1-99
8-10 y 2-93
10-12 y 2-115
12-14 y 4-136
14-18 y 11-157
>18 y 4-86
 
Use:As an aid in assessment of humoral immunity.


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