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 55009-5: Transfusions in last 14 days - while a resident [MDSv3]

Name: LOINC Code 55009-5: Transfusions in last 14 days - while a resident [MDSv3]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:37.143Z

55009-5 is a LOINC code used to identify Transfusions in last 14 days - while a resident [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 Transfusions in last 14D - while a resident. 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 Transfusions in last 14D - while a resident. 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

Transfusions in last 14 days - while a resident [MDSv3]
Transfusions in last 14D - while a resident
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

Transfusions in last 14 days - while a resident [MDSv3]Transfusions in last 14D - while a residentSURVEY.MDSFind14D^PatientOrd

Frequently asked questions

Code details

Code55009-5

SystemLOINC

Display nameTransfusions in last 14 days - while a resident [MDSv3]

DescriptionTransfusions in last 14D - while a resident

ComponentTransfusions in last 14D - while a resident

PropertyFind

Timing14D

System (specimen)^Patient

ScaleOrd

MethodMDSv3

ClassSURVEY.MDS

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.27

Last changed2.54

Part names

Transfusions in last 14D - while a residentFind14D^PatientOrdMDSv3Transfusions in last 14 days - while a residentFinding14 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.