LOINCActiveBoth

LOINC Code 50669-1: Transfuse antithrombin [Vol]

50669-1 is a LOINC code used to identify Transfuse antithrombin [Vol] 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 Transfuse antithrombin. 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 Transfuse antithrombin. 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: Both

What it does not mean

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

Key facts

  • Transfuse antithrombin [Volume]
  • Transfuse antithrombin
  • Anti thrombin; Antithrm; Antithrombin III; Antithrombn; AT; AT III; ATIII; BLOOD BANK; Heparin cofactor I; Point in time; QNT; Quan; Quant; Quantitative; Random; Thrombin inhibitor I; Trans AT III; Volume

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

Transfuse antithrombin [Vol]Transfuse antithrombin [Volume]Trans AT III Vol PatientTransfuse antithrombinBLDBKVolume of Antithrombin to transfuseVol

Frequently asked questions

Code details

Code50669-1
SystemLOINC
Display nameTransfuse antithrombin [Vol]
DescriptionTransfuse antithrombin
Short nameTrans AT III Vol Patient
ComponentTransfuse antithrombin
PropertyVol
TimingPt
System (specimen)^Patient
ScaleQn
ClassBLDBK
Example unitsmL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.42

Consumer names

Volume of Antithrombin to transfuse

Part names

Transfuse antithrombinVolPt^PatientQnVolumePoint 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 50669-1 | HealthAssure