LOINC Code 55284-4: Blood pressure systolic and diastolic

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 Blood pressure systolic & diastolic. It is commonly used with the system or sample type Arterial system.

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: DISCOURAGED

What it does not mean

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

Key facts

• Blood pressure systolic and diastolic
• Blood pressure systolic & diastolic
• This term is intended as a section header for various blood pressure measurements (e.g., systolic, diastolic). LOINC discourages the reporting of two numbers, such as systolic and diastolic blood pressure (e.g., "120/80"), in one observation. They should be reported as two separate variables, systolic (LOINC 8480-6) and diastolic (LOINC 8462-4).
• Art sys; BLOOD PRESSURE MEASUREMENTS.ATOM; BP; BP sys/dias; Dias; Diast; Diastoli; Point in time; Random

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