Test: Serum IgE Test - Trees - White Elm

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Background/Purpose

White elm (Ulmus americana) can be found mostly in forests in central and eastern North America, where it represents a major source of pollen. White elm is native to North America and has a wide range, from all of the eastern states through the Central Plains. White elm pollen can induce asthma, allergic rhinitis and allergic conjunctivitis.

Procedure

A blood sample is obtained from the patient, typically from a venipuncture.
The sample is stored in a red cap vile.
Testing is performed in a lab using an ELISA analyzer or similar technology.
Performed: Bilaterally

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Serum specific IgE Test - White Elm

Criteria

• Low reading on scale

Measurement

LOINC Code

6109-3

Scale/Grading

selection range; grade - LOINC ID
Option - Value option selection range; grade - LOINC IDNegative < 0.01 ; Pass - LA6111-4Equivocal-Low between 0.1-0.31 ; Fail - LA6112-2Low between 0.32-0.55 ; Fail - LA6113-0Moderate between 0.56-1.4 ; Fail - LA6114-8High between 1.4-3.9 ; Fail - LA6115-5Very High between 3.91-19 ; Fail - LA10137-0Extremely High > 19 ; Fail - LA10138-8