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 51889-4: Transfuse factor VIII units (BPU) [#]

Name: LOINC Code 51889-4: Transfuse factor VIII units (BPU) [#]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:35.574Z

51889-4 is a LOINC code used to identify Transfuse factor VIII units (BPU) [#] 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 factor VIII units. It is commonly used with the system or sample type ^BPU.

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 factor VIII units. It is commonly used with the system or sample type ^BPU.

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

Transfuse factor VIII [#]
Transfuse factor VIII units
BLOOD BANK; Blood product unit; Blood Product Unit (Pack); Cnt; Count; F8; Fac; Fact; Fact VIII; Factor 8; FVIII; Num units trans Fact VIII; Number; Point in time; QNT; Quan; Quant; Quantitative; Random; Trans Fact VIII

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 factor VIII units (BPU) [#]Transfuse factor VIII [#]Num units trans Fact VIIITransfuse factor VIII unitsBLDBKNumber of Factor VIII Units to transfuseNum

Frequently asked questions

Code details

Code51889-4

SystemLOINC

Display nameTransfuse factor VIII units (BPU) [#]

DescriptionTransfuse factor VIII units

Short nameNum units trans Fact VIII

ComponentTransfuse factor VIII units

PropertyNum

TimingPt

System (specimen)^BPU

ScaleQn

ClassBLDBK

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.24

Last changed2.69

Consumer names

Number of Factor VIII Units to transfuse

Part names

Transfuse factor VIII unitsNumPt^BPUQnTransfuse factor VIIINumber (count)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.