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Respiratory Allergen Panel Region 2 IgE Blood Test

A respiratory allergen panel region 2 IgE blood test is used to detect possible allergic responses to various allergens in a particular area. The region 2 panel looks for allergens that are commonly found in Washington DC, Delaware, Maryland, North Carolina, and Virginia.

Test Code: 10644

CPT Code: 82785, 86003(x24)

Also Known As: DC Allergy Panel; Washington DC Allergy Panel; DE Allergy Panel; Delaware Allergy Panel; MD Allergy Panel; Maryland Allergy Panel; NC Allergy Panel; North Carolina Allergy Panel; VA Allergy Panel; Virginia Allergy Panel

Methodology: Immunoassay (IA)

Preparation: No special preparation required.

Test Results: 3-5 days. May take longer based on weather, holiday or lab delays.


The commonly found allergens being tested for this region include:

  • Alternaria alternata (a mold) 
  • Aspergillus fumigatus 
  • Bermuda grass (Cynodon dactylon) 
  • Birch (Betula verrucosa) 
  • Cat dander 
  • Cladosporium herbarum (Hormodendrum) 
  • Cockroach 
  • Common ragweed (short) (Ambrosia elatior) 
  • Cottonwood (Populus deltoides) 
  • Dermatophagoides farinae 
  • Dermatophagoides pteronyssinus 
  • Dog dander 
  • Elm (Ulmus americana) 
  • Johnson grass (Sorghum halepense) 
  • Maple (box elder) (Acer negindo) 
  • Mountain cedar (Juniperus sabinoides) 
  • Mouse urine proteins 
  • Mulberry 
  • Oak (Quercus alba) 
  • Pecan/Hickory (Carya pecan) 
  • Penicillium notatum 
  • Rough pigweed (Amaranthus retroflexus) 
  • Sheep sorrel (Rumex acetosella) 
  • Timothy grass (Phleum pratense)


Washington DC, States of Delaware, Maryland, North Carolina, and Virginia


Order a respiratory allergen panel region 2 IgE blood test to detect an allergy to allergens commonly found in the Washington DC, Delaware, Maryland, North Carolina, and Virginia region. This test measures the amount of allergen-specific antibodies in a blood sample.


Refer to the details listed above under the lab for specific allergens tested.


An allergy triggers a reaction in an individual's immune system. The body views certain substances as toxic and produces IgE antibodies to these contaminants. These antibodies cause histamine to be released, which will cause the symptoms of an allergic reaction.


Allergy symptoms vary from one individual to the next ranging from mild to severe reactions. The most common environmental allergy symptoms may include one or more of the following:


  • Sneezing
  • Runny nose
  • Nasal congestion
  • Coughing
  • Itchy, watery eyes
  • Headaches
  • Fatigue
  • Dark circles under the eye
  • Wheezing
  • Hives

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