Immunoglobulin G Subclass 4

Test Code
5428


CPT Codes
82787

Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Transport Container
Transport tube


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
Mon-sat


Reference Range
0-1 Year 0.5-78 mg/dL
2-3 Years 1-54 mg/dL
4-5 Years 2-112 mg/dL
6-7 Years 0.4-98 mg/dL
8-9 Years 2-95 mg/dL
10-11 Years 2-115 mg/dL
12-13 Years 4-136 mg/dL
14-17 Years 11-157 mg/dL
Adults 4-86 mg/dL


Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA
14225 Newbrook Drive
Chantilly, VA 20151-2228




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.