LOINCActiveObservation

LOINC Code 935-7: Blood product unit expiration (BPU) [Date/time]

935-7 is a LOINC code used to identify Blood product unit expiration (BPU) [Date/time] 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 Blood product unit expiration. 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 Blood product unit expiration. 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

  • Blood product unit expiration [Date and time]
  • Blood product unit expiration
  • BLOOD BANK; Blood product unit; Blood Product Unit (Pack); BPU Expire Date; Date and time; Exp; Point in time; QNT; Quan; Quant; Quantitative; Random; Time stamp; Timestamp

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

Blood product unit expiration (BPU) [Date/time]Blood product unit expiration [Date and time]BPU Expire Date BPUBlood product unit expirationBLDBKBlood product unit expiration, Blood Product UnitTmStp

Frequently asked questions

Code details

Code935-7
SystemLOINC
Display nameBlood product unit expiration (BPU) [Date/time]
DescriptionBlood product unit expiration
Short nameBPU Expire Date BPU
ComponentBlood product unit expiration
PropertyTmStp
TimingPt
System (specimen)^BPU
ScaleQn
ClassBLDBK
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.73

Consumer names

Blood product unit expiration, Blood Product Unit

Part names

Blood product unit expirationTmStpPt^BPUQnTime Stamp (Date and Time)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 935-7 | HealthAssure