LOINCActiveObservation

LOINC Code 51883-7: Transfuse whole blood units (BPU) [#]

51883-7 is a LOINC code used to identify Transfuse whole blood 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 whole blood 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 whole blood 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 whole blood units [#]
  • Transfuse whole blood units
  • BLOOD BANK; Blood product unit; Blood Product Unit (Pack); Cnt; Count; Num units trans whole bld; Number; Point in time; QNT; Quan; Quant; Quantitative; Random; Trans Whole Bld; Whole Bld

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 whole blood units (BPU) [#]Transfuse whole blood units [#]Num units trans whole bldTransfuse whole blood unitsBLDBKNumber of Whole blood units to transfuseNum

Frequently asked questions

Code details

Code51883-7
SystemLOINC
Display nameTransfuse whole blood units (BPU) [#]
DescriptionTransfuse whole blood units
Short nameNum units trans whole bld
ComponentTransfuse whole blood 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 Whole blood units to transfuse

Part names

Transfuse whole blood 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 51883-7 | HealthAssure