Methodology
Nephelometry
Synonyms
Immunoglobulin G, IGG4
Specimen Type
Serum
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB4236
Lab Test Days
Sunday-Wednesday
Standard TAT
3-7 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Overnight fasting is preferred.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: 72 Hours; Refrigerated: 21 Days; Frozen: 6 Months
Test Volume Required
1 mL Serum
Minimum Test Volume
0.5 mL Serum
CPT Codes
82787
Revised
02-28-18
Initials
JZ