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Immunoglobulin G Subclass 1
0050571
Ordering Recommendation

Aids in diagnosis of immunodeficiencies.

Mnemonic
IGG1
Methodology
Quantitative Nephelometry
Performed
Mon-Sat
Reported
1-3 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Serum separator tube or green (sodium or lithium heparin). 
Specimen Preparation
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.45 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
 
Remarks
 
Stability
After separation from cells: Ambient: 2 hours; Refrigerated: 8 days; Frozen: 6 month 
Reference Interval
Cord blood: 435-1084 mg/dL                 5-6 years: 330-1065 mg/dL
0-2 months: 218-498 mg/dL                   7-8 years: 225-1100 mg/dL
3-5 months: 143-394 mg/dL                   9-10 years: 390-1235 mg/dL
6-8 months: 190-388 mg/dL                   11-12 years: 380-1420 mg/dL
9-23 months: 288-880 mg/dL                 13-14 years: 165-1440 mg/dL
2 years: 170-950 mg/dL                          15 years and older: 240-1118 mg/dL
3-4 years: 290-1065 mg/dL
Interpretive Data


Note
CPT Code(s)
82787
Components
Component Test Code*Component Chart NameLOINC
0050571Immunoglobulin G Subclass 12466-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Class 1 IgG
  • Gamma-Globulins 1
  • IgG class 1
  • IgG Subclass 1