IgG Subclasses


Sunquest Code:IGGSUB  
Epic Code:LAB3102Epic Name:Immunoglobulin G Subclasses
Synonyms:IGGSUB
Methodology:Rate nephelometry
CPT Code:82787 x4, 82784
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

0-1 y

194-842

2-5 y

306-945

6-7 y

288-918

8-11 y

423-1060

12-13 y

342-1150

14 y and older

300-856

 

IgG2

Age

mg/dL

0-1 y

23-300

2-3 y

36-225

4-5y

61-345

6-7 y

44-375

8-9 y

72-430

10-11 y

76-355

12-13 y

100-455

14-15y

64-495

16 y and older

158-761

 

IgG3

Age

mg/dL

0-1 y

19-85

2-3 y

17-68

4-5 y

10-122

6-9 y

13-85

10-11 y

17-173

12-13 y

28-125

14 y and older

24-192

 

IgG4

Age

mg/dL

0-1 y

5-78

2-3 y

1-54

4-5 y

2-113

6-7 y

1-99

8-9 y

2-93

10-11 y

2-115

12-13 y

4-136

14-15y

11-157

16 y and older

11-86

 

 

Serum IgG

Age

mg/dL

0-30 d

240-870

1 mo

200-580

2-3 mo

170-560

4 mo

165-780

5 mo

205-675

6-8 mo

210-870

9-10 mo

280-1025

11 mo

330-1165

1-2 y

405-1190

3-4 y

445-1190

5-7 y

610-1230

8-9 y

585-1510

10 y and older

695-1620

 

 

Use:As an aid in assessment of humoral immunity.


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