Last Modified:
8/15/2019 1:39:29 PM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
2.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions:
Minimum Volume:
1.0 mL Serum
Transport & Storage: Temperature/Stability:
72 hours Ambient
10 days Refrigerated
30 days Frozen
Rejection Criteria:
Gross hemolysis • Lipemia
Reference Range:
Refer to Interpretive Results
Critical Ranges:
Test Comments:
Methodology:
Nephelometry
Clinical Significance:
Assess humoral immunity. Immunoglobulin G (IgG) is the most abundant immunoglobulin of extravascular liquids (65%) and of serum (70-75%). Antibodies of the IgG class are produced in response to most bacteria and viruses. IgG consists of two heavy and two light chains and contains less than 3% carbohydrate. IgG has four subclsses: IgG1, IgG2, IgG3, and IgG4. Both IgG1 and IgG3 bind firmly to the Fc receptors of phagocytic cells, activate killer monocytes (K cells), and cross the placenta
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
1 to 2 days
Days Performed:
Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Quest - Chantilly
PHL Test Code:
IGGSB
EPIC Test Code:
IMO212
Send Out Test Code:
129192
Alternate Test Names:
IgG Subclass 1, 2, 3, & 4; IgG Subclasses and Total IgG; IgG Subclasses Panel
Included Tests:
IgG Subclass 1; IgG Subclass 2; IgG Subclass 3; IgG Subclass 4; IgG Total
CPT Coding:
82784, 82787 x 4
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