LOINCActiveBoth

LOINC Code 74159-5: Work schedule NIOSH

74159-5 is a LOINC code used to identify Work schedule NIOSH 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 Work schedule. 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 Work schedule. 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: Both
  • Method: NIOSH

What it does not mean

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

Key facts

  • Work schedule NIOSH
  • Work schedule
  • Describes an individual's typical arrangement of working hours for an occupation. For example, work schedule may capture that an individual typically works a regular day shift, evening shift, or night shift. It can also specify if an individual has an irregular schedule such as a rotating shift, split shift, etc. In healthcare settings, knowledge of a patient's typical work schedule may assist in diagnosis of healthcare issues related to irregular work hours or sleep patterns. It may also assist in determining appropriate treatment and prevention plans that will coordinate with the patient's work schedule.
  • Finding; Findings; H+P; H+P.HX; Job; Nominal; Occupation; P prime; 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

Work schedule NIOSHWork scheduleH&P.HXFindPt^PatientNom

Frequently asked questions

Code details

Code74159-5
SystemLOINC
Display nameWork schedule NIOSH
DescriptionWork schedule
Short nameWork schedule NIOSH
ComponentWork schedule
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNom
MethodNIOSH
ClassH&P.HX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.46
Last changed2.46

Part names

Work scheduleFindPt^PatientNomNIOSHFindingPoint 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 74159-5 | HealthAssure