Sign in →

Test Code Billings Clinic: 4100 Immunoglobulin G (IgG), Plasma or Serum

Performing Laboratory

Billings Clinic Laboratory:  Chemistry

Useful For

Detecting or monitoring of monoclonal gammopathies and immune deficiencies

Methodology

PEG-enhanced Immunoturbidimetric

Specimen Requirements

Submit only 1 of the following specimens:

Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection.

 

Plasma

  • Draw blood in a green-top (lithium heparin) tube(s).
  • Spin down and send 1.0 mL of heparinized plasma frozen.

 

Serum

  • Draw blood in a plain, red-top tube(s) or a serum gel tube(s).
  • Spin down and send 1.0 mL of serum frozen

Storage/Stability

Specimen Type Temperature Time
Plasma, Serum Refrigerated (preferred) 7 days
  Frozen 3 months

 

Reject Due To

  • Hemolysis

Reference Values

0 - 4 months: 100 - 334 mg/dL

4 - 8 months: 164 - 588 mg/dL

8 - 14 months: 246 - 904 mg/dL

14 months - 2 years: 313 - 1170 mg/dL

2 - 3 years: 295 - 1156 mg/dL

3 - 6 years: 286 - 1470 mg/dL

6 - 9 years: 462 - 1682 mg/dL

9 - 12 years: 503 - 1719 mg/dL

12 - 15 years: 509 - 1580 mg/dL

15 - 17 years: 487 - 1327 mg/dL

> 17 years: 700 - 1600 mg/dL

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

82784 - Gammaglobulin (immunoglobulin); IgA, IgG, IgM, each

LOINC Code Information

Reporting Name LOINC Code
IgG 2465-3