Immunoglobulin G Subclass 4

Test Code

IGGS4

Alias/See Also

LAB1000

CPT Codes
<p>82787</p>

Preferred Specimen

Specimen Type: Serum

Collection Container/Type

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

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

Report Available

3-5 days

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 14225 Newbrook Drive Chantilly, VA 20153

Last Updated: February 17, 2023

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.