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Test Code BLOD0693 Immunoglobulin E (IgE) Total

Useful For

The diagnosis of IgE-mediated allergic disorders in conjunction with other clinical findings



Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), dark-green top (sodium heparin), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL

Collection Instructions:

1. Label specimen as plasma or serum.

2. Avoid hemolysis and lipemia.

Specimen Transport Temperature


Specimen Stability


Specimen Type Temperature Time
Plasma or Serum Refrigerated 7 days
  Frozen 3 months


Additional Information

If specimen must be frozen for stability, freeze within 24 hours of draw.

Reference Values

Adults: 0-100 kU/L


During childhood and adolescence, reference ranges for IgE are dependent on age and can vary over a wide range:


Age IgE IU/mL
0-6 days 0-2 kU/L
6 days- 1 year 0-15 kU/L
1 year - 5 years 0-60 kU/L
5 years - 9 years 0-90 kU/L
9 years-15 years 0-200 kU/L
≥ 15 years 0-100 kU/L


Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding