LOINCActiveObservation

LOINC Code 104571-5: What kind of work was this person doing [PhenX]

104571-5 is a LOINC code used to identify What kind of work was this person doing [PhenX] 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 What kind of work was this person doing. 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 What kind of work was this person doing. 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: PhenX

What it does not mean

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

Key facts

  • What kind of work was this person doing [PhenX]
  • What kind of work was this person doing
  • Finding; Findings; Job; Nominal; Occupation; Persons; Point in time; Random; What work was this person doing

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

What kind of work was this person doing [PhenX]What work was this person doing PhenXWhat kind of work was this person doingPHENXFindPt^Patient

Frequently asked questions

Code details

Code104571-5
SystemLOINC
Display nameWhat kind of work was this person doing [PhenX]
DescriptionWhat kind of work was this person doing
Short nameWhat work was this person doing PhenX
ComponentWhat kind of work was this person doing
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNom
MethodPhenX
ClassPHENX
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.78
Last changed2.78

Part names

What kind of work was this person doingFindPt^PatientNomPhenXFindingPoint 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 104571-5 | HealthAssure