Yale New Haven Hospital

Department of Laboratory Medicine
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Immunoglobulin G subclasses

Lab Section: 

Immunology

 

Lab Location: 

Main Lab

Test ID: 

LAB2334

 

Synonyms: 

Immunoglobulin IgG Subclasses

                                            Method:

Turbidimetry

 

 

Reported: 

4 days

Specimen Requirements:

Collection: 5.0 mL Blood in a Gold Top Tube.

Notes:

Pediatric volume: 1 mL
Unacceptable conditions: Grossly hemolyzed specimens.

Stability: Ambient: 48 hours; Refrigerated: 3 days; Frozen: 3 months

Clinical indications: Indication for diagnostic clarification in patients with increased susceptibility to infection or malfunctioning immune defense.

                          Tests in this panel:

                          Reference Interval: 

IgG1, IgG2, IgG3, IgG4, IgG

 

 

Age

IgG1

IgG2

IgG3

IgG4

0-2 years

194-842

23-300

18.6-85.3

0.5-78.4

2-4 years

315-945

36-225

17.3-67.6

1.0-53.7

4-6 years

306-945

61-345

9.9-122.1

1.8-112.5

6-8 years

288-918

44-375

15.5-85.3

0.4-99.2

8-10 years

432-1020

72-430

12.7-85.3

1.9-93.2

10-12 years

423-1060

76-355

17.3-173.0

1.6-115.0

12-14 years

342-1150

100-455

28.3-125.0

3.7-136.0

14-18 years

315-855

64-495

23.0-196.0

11.0-157.0

>18 years

382.4-928.6

242-700

21.8-176.1

3.9-86.4

 



 

 

 

CPT Code(s): 

82784, 82787

Last Changed: 

8/24/2017 9:03:27 AM

Last Reviewed: 

8/24/2017 9:22:19 AM