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IgG Subclasses 1-4

Item Value
Approval req'd? Yes, contact Immunology at x3-1712 if not ordered by Pediatric Immunology.
Available Stat? No
Test code GSUB
Test group IgG
Performed by Quest
Sendout? Yes
Method EIA or Nephelometry (> 7 yearss old)
Patient Preparation An 8 hour fast before specimen collection is preferred.
Container type Gold top
Amount to Collect 4 mL blood
Sample type Serum
Preferred volume 2 mL serum
Min. Volume 1mL serum
Processing notes Refrigerate. Order Quest # 7903
Units mg/dL
Normal range
IgG1 IgG2 IgG3 IgG4
0-1 year 194-182 mg/dL 23-300 mg/dL 19-85 mg/dL 0.5 -78 mg/dL
2-3 years 315-945 mg/dL 38-225 mg/dL 17-68 mg/dL 1.0-54 mg/dL
4-5 years 308-945 mg/dL 61-345 mg/dL 10-122 mg/dL 2.0-112 mg/dL
6-7 years 288-918 mg/dL 44-375 mg/dL 16-85 mg/dL 0.4-98 mg/dL
8-9 years 432-1020 mg/dL 72-430 mg/dL 13-85 mg/dL 2.0-95 mg/dL
10-11 years 423-1080 mg/dL 78-355 mg/dL 17-173 mg/dL 2.0-115 mg/dL
12-13 years 342-1150 mg/dL 100-455 mg/dL 28-125 mg/dL 4.0-136 mg/dL
14-17 years 315-855 mg/dL 64-495 mg/dL 23-198 mg/dL 11-157 mg/dL
≥ 18 year olds 382-929 mg/dL 241-700 mg/dL 22-178 mg/dL 4-86 mg/dL
Synonyms IgG1; IgG2; IgG3; IgG4
Turn around times Test run Monday-Friday. Turnaround time: 2-5 days.
CPT coding 82787-90, 82784-90
LOINC code 47290-2
Last Updated 10/2/2010 11:52:09 AM
Entry Number 561
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