LOINCActiveObservation

LOINC Code 85739-1: Bombay phenotype Ql (RBC donor)

85739-1 is a LOINC code used to identify Bombay phenotype Ql (RBC donor) 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 Bombay phenotype. It is commonly used with the system or sample type RBC^Donor.

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 Bombay phenotype. It is commonly used with the system or sample type RBC^Donor.

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

  • Bombay phenotype [Presence] on Red Blood Cells from Donor
  • Bombay phenotype
  • BLOOD BANK; Donr; Erythrocytes; Hematology; Heme; O sub h phenotype; O(null) phenotype; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Red blood cells; Red blood corpusles; Screen

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

Bombay phenotype Ql (RBC donor)Bombay phenotype [Presence] on Red Blood Cells from DonorBombay phenotype RBC Donr QlBombay phenotypeBLDBKBombay phenotype, Donor Red blood cellsPrThr

Frequently asked questions

Code details

Code85739-1
SystemLOINC
Display nameBombay phenotype Ql (RBC donor)
DescriptionBombay phenotype
Short nameBombay phenotype RBC Donr Ql
ComponentBombay phenotype
PropertyPrThr
TimingPt
System (specimen)RBC^Donor
ScaleOrd
ClassBLDBK
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.61
Last changed2.61

Consumer names

Bombay phenotype, Donor Red blood cells

Part names

Bombay phenotypePrThrPtRBC^DonorOrdPresence or ThresholdPoint in time (spot)Red Blood Cells^Donor

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.