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Immunoglobulin G Subclass 2
0050572
Ordering Recommendation
Mnemonic
IGG2
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 months  
Reference Interval
Cord blood: 143-453 mg/dL                  5-6 years: 57-345 mg/dL
0-2 months: 40-167 mg/dL                    7-8 years: 42-375 mg/dL
3-5 months: 23-147 mg/dL                    9-10 years: 61-430 mg/dL
6-8 months: 37-60 mg/dL                      11-12 years: 73-455 mg/dL
9-23 months: 30-327 mg/dL                  13-14 years: 71-460 mg/dL
2 years: 22-440 mg/dL                            15 years and older: 124-549 mg/dL
3-4 years: 28-315 mg/dL
Interpretive Data


Note
CPT Code(s)
82787
Components
Component Test Code*Component Chart NameLOINC
0050572Immunoglobulin G Subclass 22467-9
* 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 2 IgG
  • Gamma-Globulins 2, IgG class 2
  • IgG Subclass 2