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.

LOINCActive

LOINC Code 58129-8: Antibiotic received in last 7 days or since admission/reentry if less than 7 days [MDSv3]

Name: LOINC Code 58129-8: Antibiotic received in last 7 days or since admission/reentry if less than 7 days [MDSv3]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:39.272Z

58129-8 is a LOINC code used to identify Antibiotic received in last 7 days or since admission/reentry if less than 7 days [MDSv3] 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 Antibiotic received in last 7D or since admission &or reentry if less than 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 Antibiotic received in last 7D or since admission &or reentry if less than 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
Method: MDSv3

What it does not mean

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

Key facts

Antibiotic received in last 7 days or since admission/reentry if less than 7 days [MDSv3]
Antibiotic received in last 7D or since admission &or reentry if less than 7D
Finding; Findings; MDS version 3; Ordinal; Past; QL; Qual; Qualitative; Screen; Survey; SURVEY.MDS

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

Antibiotic received in last 7 days or since admission/reentry if less than 7 days [MDSv3]Antibiotic received in last 7D or since admission &or reentry if less than 7DSURVEY.MDSFind7D^PatientOrd

Frequently asked questions

Code details

Code58129-8

SystemLOINC

Display nameAntibiotic received in last 7 days or since admission/reentry if less than 7 days [MDSv3]

DescriptionAntibiotic received in last 7D or since admission &or reentry if less than 7D

ComponentAntibiotic received in last 7D or since admission &or reentry if less than 7D

PropertyFind

Timing7D

System (specimen)^Patient

ScaleOrd

MethodMDSv3

ClassSURVEY.MDS

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.54

Part names

Antibiotic received in last 7D or since admission &or reentry if less than 7DFind7D^PatientOrdMDSv3Antibiotic received in last 7 days or since admission/reentry if less than 7 daysFinding7 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.