LOINC Code 93920-7: E Ag post transfusion reaction Ql (RBC)

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 E Ag^post transfusion reaction. It is commonly used with the system or sample type RBC.

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

• E Ag [Presence] on Red Blood Cells --after transfusion reaction
• E Ag^post transfusion reaction
• After; Antigen; Antigens; BLOOD BANK; E Ag^p transf rx; Erythrocytes; Ordinal; p transf; p transf rx; Point in time; PR; PST; QL; Qual; Qualitative; Random; React; Red blood cells; Red blood corpusles; Rh Blood Group System; Rxn; Screen; Transf React; Tx

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