LOINCActive

LOINC Code 42542-1: Contributing Factor staff-related MERSTH

42542-1 is a LOINC code used to identify Contributing Factor staff-related MERSTH 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 Contributing factor.staff-related. 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 Contributing factor.staff-related. 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
  • Method: Observed.MERSTH

What it does not mean

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

Key facts

  • Contributing Factor staff-related MERSTH
  • Contributing factor.staff-related
  • Contrib Fact staff-related; Fac; Fact; Finding; Findings; Medical Event Reporting System-Total Health System; Nominal; Patient safety; 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

Contributing Factor staff-related MERSTHContrib Fact staff-related MERSTHContributing factor.staff-relatedPATIENT SAFETYFindPt^Patient

Frequently asked questions

Code details

Code42542-1
SystemLOINC
Display nameContributing Factor staff-related MERSTH
DescriptionContributing factor.staff-related
Short nameContrib Fact staff-related MERSTH
ComponentContributing factor.staff-related
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNom
MethodObserved.MERSTH
ClassPATIENT SAFETY
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.27

Part names

Contributing factor.staff-relatedFindPt^PatientNomObserved.MERSTHContributing Factor staff-relatedFindingPoint 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 42542-1 | HealthAssure