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Cefaclor Allergy IgE Blood Test

The Cefaclor allergy blood test checks for an allergic reaction to Cefaclor by determining the level of IgE antibodies in the blood.

Test Code: 602653

CPT Code: 86003

Also Known As:


Thermo Fisher ImmunoCAP®

Specimen Type: Blood


No special preparation required.

Test Results:

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


Cefaclor is an oral capsule prescription drug that is used to treat bacterial infections. Many physicians prescribe Cefaclor for the following infections:

•  Urinary tract

•  Throat

•  Tonsils

•  Lung

•  Ear

•  Skin

•  Respiratory

Like most medicines, there are side effects such as diarrhea, vaginal yeast infection, and thrush. There are more severe side effects that can cause one to have an allergic reaction. Possible symptoms include:

•  Hives

•  Trouble breathing

•  Skin problems such as rashes

•  Itchiness

•  Swelling of the tongue and throat

If penicillin antibiotics have caused you to have an allergic reaction, you might be at an elevated risk of reacting to Cefaclor. 

A positive allergy test result should be discussed with your physician.

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