LOINC Code 1055-3: I (intermediate) subtype RBC Aggl Ql (RBC BPU)

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 I (int) subtype. It is commonly used with the system or sample type RBC^BPU.

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: DEPRECATED
• Method: Aggl RBC

What it does not mean

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

Key facts

• Deprecated I (intermediate) subtype [Presence] on Red Blood Cells from Blood product unit
• I (int) subtype
• I(INT) is a rare phenotype characterized by intermediate strength of both I and i Ag on red cells
• Agg; Agglut; Agglutination; Arbitrary Concentration; BLOOD BANK; Blood product unit; Blood Product Unit (Pack); Erythrocytes; Ordinal; Point in time; QL; Qual; Qualitative; Random; Red blood cells; Red blood corpusles; Screen

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