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Respiratory Allergy Profile, Region I [10643X]

Test Code

10643

CPT Code(s)

82785, 86003 (x25)

Includes

Region I: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Vermont
IgE allergy testing for:
Alternaria alternata (a mold) (m6)
Aspergillus fumigatus (m3)
Bermuda grass (g2)
Birch (t3)
Cat dander (e1)
Cladosporium herbarum (m2)
Cockroach (i6)
Common ragweed (short) (w1)
Cottonwood (t14)
Dermatophagoides farinae (d2)
Dermatophagoides pteronyssinus (d1)
Dog dander (e5) 
Elm (t8)
Maple (box elder) (t1)
Mountain cedar (t6)
Mugwort (w6)
Oak (t7)
Penicillium notatum (m1)
Rough pigweed (w14)
Sheep sorrel (w18)
Sycamore (t11)
Timothy grass (g6)
Walnut tree (t10)
White ash (t15)
White mulberry (t70)

Imunoglobulin E

Preferred Specimen(s)

7.8 mL serum

Minimum Volume

3.9 mL

Specimen Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Allergens
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
IgE
Room temperature: 5 days
Refrigerated: 7 days
Frozen: 30 days

Methodology

Fluorescence Enzyme Immunoassay

Performing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Setup Schedule

Set up: Mon-Fri a.m.; Report available: 4 days

Reference Range(s)

See Laboratory Report

Clinical Significance

This procedure is based on a fluorescent enzyme
immunoassay (FEIA) technique. The allergen of interest,
covalently coupled to an ImmunoCap, reacts with the
specific IgE in the patients serum. After washing away
nonspecific IgE, enzyme-labelled antibodies against IgE
are added to form a complex. After incubation, unbound
enzyme anti-IgE is washed away and the bound complex is
then incubated with a developing agent. After the
reaction is stopped, the fluorescence of the eluate is
measured. The higher the fluorescence value, the more
specific IgE is present in the specimen. To classify
test results, fluorescence for patient samples is
compared directly with fluorescence for a reference serum
run in parallel. Results are reported in both kU/L and
Conventional Class score.

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.