Ordering Recommendation

Aid in diagnosis of immunodeficiencies. Secondary test in suspected immunoglobulin deficiency. Do not order before IgG, IgA, and IgM measurements are performed. 

Mnemonic
IGG1
Methodology

Quantitative Nephelometry

Performed

Mon-Sat

Reported

1-3 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum 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



No compliance statements are in use for this test.

Note
Hotline History
N/A
CPT Codes

82787

Components
Component Test Code* Component Chart Name LOINC
0050571 Immunoglobulin G Subclass 1 2466-1
* 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
Immunoglobulin G Subclass 1