LOINCActiveObservation

LOINC Code 43139-5: Clinical finding absent [Identifier] Population Narrative Investigation

43139-5 is a LOINC code used to identify Clinical finding absent [Identifier] Population Narrative Investigation 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 Clinical finding absent. It is commonly used with the system or sample type ^Population.

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 Clinical finding absent. It is commonly used with the system or sample type ^Population.

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: Investigation

What it does not mean

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

Key facts

  • Clinical finding absent [Identifier] Population Narrative Investigation
  • Clinical finding absent
  • Clin finding absent; Identity or presence; Narrative; Point in time; Random; Report

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

Clinical finding absent [Identifier] Population Narrative InvestigationClin finding absent Pop InvestClinical finding absentCLINPridPt^Population

Frequently asked questions

Code details

Code43139-5
SystemLOINC
Display nameClinical finding absent [Identifier] Population Narrative Investigation
DescriptionClinical finding absent
Short nameClin finding absent Pop Invest
ComponentClinical finding absent
PropertyPrid
TimingPt
System (specimen)^Population
ScaleNar
MethodInvestigation
ClassCLIN
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.40

Part names

Clinical finding absentPridPt^PopulationNarInvestigationPresence or IdentityPoint 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 43139-5 | HealthAssure