What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 74558-8: Timing of harm assessment [AHRQ]

Name: LOINC Code 74558-8: Timing of harm assessment [AHRQ]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:53.976Z

74558-8 is a LOINC code used to identify Timing of harm assessment [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 Timing of harm assessment. It is commonly used with the system or sample type ^Patient.

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 Timing of harm assessment. It is commonly used with the system or sample type ^Patient.

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

Timing of harm assessment [AHRQ]
Timing of harm assessment
Determination of approximately when after the discovery of the incident the harm was assessed.
Agency for Healthcare Research and Quality; Finding; Findings; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Survey; SURVEY.AHRQ

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

Timing of harm assessment [AHRQ]Timing of harm assessmentSURVEY.AHRQFindPt^PatientOrd

Frequently asked questions

Code details

Code74558-8

SystemLOINC

Display nameTiming of harm assessment [AHRQ]

DescriptionTiming of harm assessment

ComponentTiming of harm assessment

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

MethodAHRQ

ClassSURVEY.AHRQ

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.48

Last changed2.48

Part names

Timing of harm assessmentFindPt^PatientOrdAHRQFindingPoint 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.