IgG Subclasses




Test Mnemonic

IGGSUB

CPT Codes

  • 82787 - QTY (4)
  • 82784 - QTY (1)

LOINC ®

47280-2

Aliases

  • Immunoglobulin G subclasses (1,2,3,4)

Includes

  • IgG Subclass 1
  • IgG Subclass 2
  • IgG Subclass 3
  • IgG Subclass 4
  • Total IgG

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumSST (Gold) Refrigerated 

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mL     

Stability

Environmental Condition Description
Ambient24 hours
Refrigerated8 days
Frozen30 days

Days Performed

Mon - Fri

Turnaround Time

1 - 4 days

Methodology

Name Description
Turbidimetry (TURB) 
Immunoturbidometric Assay 

Reference Range

IgG Subclass 1
Sex Age From Age To Type Range Range Unit
   Years2 YearsNormal194.0 - 842.0mg/dL
 2 Years4 YearsNormal315.0 - 945.0mg/dL
 4 Years6 YearsNormal306.0 - 945.0mg/dL
 6 Years8 YearsNormal288.0 - 918.0mg/dL
 8 Years10 YearsNormal432.0 - 1020.0mg/dL
 10 Years12 YearsNormal423.0 - 1060.0mg/dL
 12 Years14 YearsNormal342.0 - 1150.0mg/dL
 14 Years18 YearsNormal315.0 - 855.0mg/dL
 18 Years99 YearsNormal382.4 - 928.6mg/dL
IgG Subclass 2
Sex Age From Age To Type Range Range Unit
   Years2 YearsNormal22.5 - 300.0mg/dL
 2 Years4 YearsNormal36.0 - 225.0mg/dL
 4 Years6 YearsNormal60.5 - 345.0mg/dL
 6 Years8 YearsNormal44.0 - 375.0mg/dL
 8 Years10 YearsNormal72.0 - 430.0mg/dL
 10 Years12 YearsNormal76.0 - 355.0mg/dL
 12 Years14 YearsNormal100.0 - 455.0mg/dL
 14 Years18 YearsNormal64.0 - 495.0mg/dL
 18 Years99 YearsNormal241.8 - 700.3mg/dL
IgG Subclass 3
Sex Age From Age To Type Range Range Unit
   Years2 YearsNormal18.6 - 85.3mg/dL
 2 Years4 YearsNormal17.3 - 67.6mg/dL
 4 Years6 YearsNormal9.9 - 122.1mg/dL
 6 Years8 YearsNormal15.5 - 85.3mg/dL
 8 Years10 YearsNormal12.7 - 85.3mg/dL
 10 Years12 YearsNormal17.3 - 173.0mg/dL
 12 Years14 YearsNormal28.3 - 125.0mg/dL
 14 Years18 YearsNormal23.0 - 196.0mg/dL
 18 Years99 YearsNormal21.8 - 176.1mg/dL
IgG Subclass 4
Sex Age From Age To Type Range Range Unit
   Years2 YearsNormal0.5 - 78.4mg/dL
 2 Years4 YearsNormal1.0 - 53.7mg/dL
 4 Years6 YearsNormal1.8 - 112.5mg/dL
 6 Years8 YearsNormal0.4 - 99.2mg/dL
 8 Years10 YearsNormal1.9 - 93.2mg/dL
 10 Years12 YearsNormal1.6 - 115.0mg/dL
 12 Years14 YearsNormal3.7 - 136.0mg/dL
 14 Years18 YearsNormal11.0 - 157.0mg/dL
 18 Years99 YearsNormal3.9 - 86.4mg/dL
Total IgG
Sex Age From Age To Type Range Range Unit
   Months11 MonthsNormal232 - 1411mg/dL
 1 Years3 YearsNormal453 - 916mg/dL
 4 Years6 YearsNormal504 - 1465mg/dL
 7 Years9 YearsNormal572 - 1474mg/dL
 10 Years11 YearsNormal698 - 1560mg/dL
 12 Years13 YearsNormal759 - 1550mg/dL
 14 Years15 YearsNormal716 - 1711mg/dL
 16 Years19 YearsNormal549 - 1584mg/dL
 20 Years99 YearsNormal700 - 1600mg/dL