LOINC Code 75023-2: CD63 (Activated) Basophils/Basophils FC (Bld)

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Basophils.CD63/Basophils. It is commonly used with the system or sample type Bld.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Both
• Method: Flow cytometry

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• CD63 (Activated) Basophils/Basophils in Blood by Flow cytometry (FC)
• Basophils.CD63/Basophils
• The percentage of basophiles activated after in vitro stimulation by allergens and expressing the CD63 marker can be determined by flow cytometry. This allergy test method is a blood test for identification of the allergen (e.g. bee venom, drugs, etc.) responsible for the hypersensitivity reaction. It is not the same as the common scratch test.
• Baso; Basophil; Basophil activation test; Basos; BAT; Blood; Bph; CD63 Basophils; CELL MARKERS; Dynamic; FC; gp53; gp55; Granulophysin; LAMP-3; LIMP; lysosomal-membrane-associated glycoprotein 3; ME491; Melanoma-associated antigen; MLA1; Neuroglandular antigen; NGA; Number fraction; Percent; Point in time; PTLGP40; QNT; Quan; Quant; Quantitative; Random; WB; Whole blood

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions