LOINCActiveObservation

LOINC Code 91013-3: Event impact level

91013-3 is a LOINC code used to identify Event impact level 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 Impact level. 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 Impact level. 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

What it does not mean

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

Key facts

Event impact level
Impact level
The level of impact (i.e., minimal, minor, moderate, major, severe) of an event based on the amount of disruption to normal activities and services, whether routine responses are adequate or if there is need to implement additional control measures, and if additional costs are expected for authorities and stakeholders.[http//www.who.int/csr/resources/publications/HSE_GAR_ARO_2012_1/en/]
Finding; Findings; Levels; Levl; LV; LVL; Ordinal; Point in time; Public Health; PUBLICHEALTH; Ql; Qual; Qualitative; Random; 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

Event impact levelImpact levelPUBLICHEALTHFindPt^EventOrd

Frequently asked questions

Code details

Code91013-3
SystemLOINC
Display nameEvent impact level
DescriptionImpact level
Short nameEvent impact level
ComponentImpact level
PropertyFind
TimingPt
System (specimen)^Event
ScaleOrd
ClassPUBLICHEALTH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.65
Last changed2.68

Part names

Impact levelFindPt^EventOrdFindingPoint in time (spot)

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 91013-3 | HealthAssure