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Immunoglobulin A (IgA)

Tube Type = Mint Green Top

Tube Type

Test ID   LAB73
EPIC Order   IGA
CPT Code(s)   82784
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine: 30; Stat: 888
Specimen Routine: 2 mL blood/green lithium heparin gel tube. Also acceptable gold SST or red plain tube
  Micro: 300 µL blood/mint green top bullet/gold top/red top
Stability
Unspun - 4 hrs
Spun/Separated, Room Temp - 3 days
Spun/Separated, Refrigerated - 7 days
Spun/Separated, Frozen - 6 months
Availability 24 hrs/day
Turnaround Time   STAT 1 hr; Routine 2 hrs
Reference Range Normal:
                         Serum IgA
Age Ranges (mg/dL)
<1 year: <40
1 - 3 years: <94
3 - 6 years: <168
6 - 14 years: 44 - 255
14 - 19 years: 44-343
>19 years 70-400
Reference Ranges effective 11/14/2022

Reviewed by J. Carr on January 02, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514