Immunoglobulin G Subclass 2

Test Code
5426


CPT Codes
82787

Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Transport Container
Plastic screw-cap vial


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 72 hours
Refrigerated: 10 days
Frozen: 30 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Lipemia


Methodology
Immunoturbidimetric Assay

Setup Schedule
Set up: Mon-Sat; Report available: 3-5 days


Reference Range
0-1 Year 23-300 mg/dL
2-3 Years 38-225 mg/dL
4-5 Years 61-345 mg/dL
6-7 Years 44-375 mg/dL
8-9 Years 72-430 mg/dL
10-11 Years 78-355 mg/dL
12-13 Years 100-455 mg/dL
14-17 Years 64-495 mg/dL
Adults 241-700 mg/dL


Clinical Significance
Measurement of subclasses may be valuable aid in the management and understanding of immunodeficiency diseases, hypersensitivity states, and conditions involving susecptability to infection.


Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.