LOINC

LOINC Code 68343-3: Primary cause of death

68343-3 is a LOINC code used to identify Primary cause of death 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 Cause of death.primary. 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 Cause of death.primary. 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: TRIAL

What it does not mean

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

Key facts

  • Primary cause of death
  • Cause of death.primary
  • ESRD; ESRD survey; Finding; Findings; Nominal; Point in time; Primary cause of death; Random; Survey

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

Primary cause of deathCause of death.primarySURVEY.ESRDFindPt^PatientNom

Frequently asked questions

Code details

Code68343-3
SystemLOINC
Display namePrimary cause of death
DescriptionCause of death.primary
ComponentCause of death.primary
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNom
ClassSURVEY.ESRD
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.40

Part names

Cause of death.primaryFindPt^PatientNomPrimary cause of deathFindingPoint 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 68343-3 | HealthAssure