LOINCActiveObservation

LOINC Code 51891-0: Transfuse factor IX units (BPU) [#]

51891-0 is a LOINC code used to identify Transfuse factor IX 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 IX 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 IX 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 IX units [#]
  • Transfuse factor IX units
  • BLOOD BANK; Blood product unit; Blood Product Unit (Pack); Cnt; Count; Fac; Fact; Fact IX; Factor 9; FIX; Num units trans Fact IX; Number; Point in time; QNT; Quan; Quant; Quantitative; Random; Trans Fact IX

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

Frequently asked questions

Code details

Code51891-0
SystemLOINC
Display nameTransfuse factor IX units (BPU) [#]
DescriptionTransfuse factor IX units
Short nameNum units trans Fact IX
ComponentTransfuse factor IX 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 IX Units to transfuse

Part names

Transfuse factor IX unitsNumPt^BPUQnNumber (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.

LOINC Code 51891-0 | HealthAssure