LOINCActiveObservation

LOINC Code 45376-1: Date of transfusion reaction

45376-1 is a LOINC code used to identify Date of transfusion reaction 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 Date of transfusion reaction. 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 Date of transfusion reaction. 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

  • Date of transfusion reaction
  • BLOOD BANK; Date and time; Date Of Transf Rx; Point in time; QNT; Quan; Quant; Quantitative; Random; React; Rxn; Time stamp; Timestamp; Transf React; Tx

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

Date of transfusion reactionDate Of Transf RxBLDBKTmStpPt^PatientQn

Frequently asked questions

Code details

Code45376-1
SystemLOINC
Display nameDate of transfusion reaction
Short nameDate Of Transf Rx
ComponentDate of transfusion reaction
PropertyTmStp
TimingPt
System (specimen)^Patient
ScaleQn
ClassBLDBK
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.26

Consumer names

Date of transfusion reaction

Part names

Date of transfusion reactionTmStpPt^PatientQnTime Stamp (Date and Time)Point 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 45376-1 | HealthAssure