Methodology
Nephelometry
Specimen Type
Serum
Performing Lab
Quest Diagnostics Chantilly
Epic ID
LAB01022
Lab Test Days
Tuesday-Saturday
Standard TAT
4 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Red Top (No Additive)
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK/Ambient-OK
Specimen Stability
Room Temp: 7 Days; Refrigerated: 14 Days; Frozen: 35 Days
Test Volume Required
1 mL Serum
Minimum Test Volume
0.5 mL Serum
CPT Codes
83874
Revised
12/23/25
Initials
SA