LOINCActiveObservation

LOINC Code 74079-5: Event [AHRQ]

74079-5 is a LOINC code used to identify Event [AHRQ] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Event. It is commonly used with the system or sample type ^Event.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 Event. It is commonly used with the system or sample type ^Event.

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: Observation
  • Method: AHRQ

What it does not mean

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

Key facts

  • Event [AHRQ]
  • Event
  • Agency for Healthcare Research and Quality; Nominal; Point in time; Random; Survey; SURVEY.AHRQ; Typ

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

Event [AHRQ]EventSURVEY.AHRQTypePt^EventNom

Frequently asked questions

Code details

Code74079-5
SystemLOINC
Display nameEvent [AHRQ]
DescriptionEvent
ComponentEvent
PropertyType
TimingPt
System (specimen)^Event
ScaleNom
MethodAHRQ
ClassSURVEY.AHRQ
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.46
Last changed2.48

Part names

EventTypePt^EventNomAHRQPoint in time (spot)Agency for Healthcare Research and Quality

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 74079-5 | HealthAssure