ARUP's Laboratory Test Directory

Immunoglobulin G Subclass 3 : 0050573

Mnemonic: IGG3

Methodology: Quantitative Nephelometry
Performed: Mon-Sat
Reported: 1-3 days
Specimen Required: 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.

Stability (collection to initiation of testing): After separation from cells: Ambient: 2 hours; Refrigerated: 8 days; Frozen: 6 months
Reference Interval:
Cord blood: 27-146 mg/dL                    5-6 years: 8-126 mg/dL
0-2 months: 4-23 mg/dL                        7-8 years: 9-107 mg/dL
3-5 months: 4-70 mg/dL                        9-10 years: 10-98 mg/dL
6-8 months: 12-62 mg/dL                      11-12 years: 16-194 mg/dL
9-23 months: 13-82 mg/dL                    13-14 years: 12-178 mg/dL
2 years: 4-69 mg/dL                                15 years and older: 21-134 mg/dL
3-4 years: 4-71 mg/dL
CPT Code(s): 82787
Cross References: IgG Subclass 3 (Immunoglobulin G Subclass 3)