LOINC Code 18794-8: Send all items of the specified type within the time window

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 Send all items of the specified type within the time window. It is commonly used with the system or sample type X12^277.

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

• Send all items of the specified type within the time window
• Indicates sending all items of the specified type within the time window (e.g., if the request is for serology results, send all serology results for test made during the time window, including repeats). This is the default value; it will be assumed if no time window modifier code is included.
• ATTACH; ATTACH.MODIFIER; 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