LOINC Code 48249-7: Silver Birch triggered leukotriene release (WBC) [Mass/Vol]

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 Betula verrucosa leukotriene release. It is commonly used with the system or sample type WBC.

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

What it does not mean

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

Key facts

• Silver Birch triggered leukotriene release [Mass/volume] by Leukocytes
• Betula verrucosa leukotriene release
• Allergen; Allergens; ALLERGY TESTING; CAST; Common silver birch; IFR; Isoflavone reductase; Leukocytes; Level; LR; Mass Concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Silver Birch; t3; WBCs; White blood cells

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