LOINCActiveObservation

LOINC Code 99225-5: Hours worked in past 7 days [Time]

99225-5 is a LOINC code used to identify Hours worked in past 7 days [Time] 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 H worked in past 7D. 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 H worked in past 7D. 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

What it does not mean

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

Key facts

  • Hours worked in past 7 days [Time]
  • H worked in past 7D
  • H+P; H+P.HX; Last; P prime; QNT; Quan; Quant; Quantitative

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

Hours worked in past 7 days [Time]H worked in past 7D TimeH worked in past 7DH&P.HXTime7D^Patient

Frequently asked questions

Code details

Code99225-5
SystemLOINC
Display nameHours worked in past 7 days [Time]
DescriptionH worked in past 7D
Short nameH worked in past 7D Time
ComponentH worked in past 7D
PropertyTime
Timing7D
System (specimen)^Patient
ScaleQn
ClassH&P.HX
Example unitsh
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Part names

H worked in past 7DTime7D^PatientQnHours worked in past 7 daysTime (e.g. seconds)7 days

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 99225-5 | HealthAssure