What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 99224-8: Hours missed from work because of any non vision related reasons in past 7 days

Name: LOINC Code 99224-8: Hours missed from work because of any non vision related reasons in past 7 days
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:33.064Z

99224-8 is a LOINC code used to identify Hours missed from work because of any non vision related reasons in past 7 days 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 missed from work because of any non vision related reasons 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 missed from work because of any non vision related reasons 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 missed from work because of any non vision related reasons in past 7 days
H missed from work because of any non vision related reasons in past 7D
Job; Last; Occupation; QNT; Quan; Quant; Quantitative; 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

Hours missed from work because of any non vision related reasons in past 7 daysH missed from work because of any non vision related reasons in past 7DSURVEY.PROWLTime7D^PatientQn

Frequently asked questions

Code details

Code99224-8

SystemLOINC

Display nameHours missed from work because of any non vision related reasons in past 7 days

DescriptionH missed from work because of any non vision related reasons in past 7D

ComponentH missed from work because of any non vision related reasons in past 7D

PropertyTime

Timing7D

System (specimen)^Patient

ScaleQn

ClassSURVEY.PROWL

Example unitsh

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Part names

H missed from work because of any non vision related reasons in past 7DTime7D^PatientQnHours missed from work because of any non vision related reasons 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.