LOINCActiveObservation

LOINC Code 51879-5: Transfuse packed RBC units (BPU) [#]

51879-5 is a LOINC code used to identify Transfuse packed RBC 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 packed erythrocytes 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 packed erythrocytes 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 packed erythrocytes units [#]
  • Transfuse packed erythrocytes units
  • BLOOD BANK; Blood product unit; Blood Product Unit (Pack); Cnt; Count; Discocytes; Erthrocyte; Erythrocyte; Num units trans packed RBC; Number; Packed RBC; Point in time; PRBC; QNT; Quan; Quant; Quantitative; Random; RBC; RBCS; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; Trans packed RBC

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 packed RBC units (BPU) [#]Transfuse packed erythrocytes units [#]Num units trans packed RBCTransfuse packed erythrocytes unitsBLDBKNumber of Packed red blood cell units to transfuseNum

Frequently asked questions

Code details

Code51879-5
SystemLOINC
Display nameTransfuse packed RBC units (BPU) [#]
DescriptionTransfuse packed erythrocytes units
Short nameNum units trans packed RBC
ComponentTransfuse packed erythrocytes 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 changed2.73

Consumer names

Number of Packed red blood cell units to transfuse

Part names

Transfuse packed erythrocytes 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 51879-5 | HealthAssure