ARUP's Laboratory Test Directory

Immunoglobulin G Subclass 1 : 0050571

Mnemonic: IGG1

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 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
CPT Code(s): 82787
Cross References: IgG Subclass 1 (Immunoglobulin G Subclass 1)