What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINC

LOINC Code 1275-7: O NOS Ag RBC Aggl Ql (RBC donor)

Name: LOINC Code 1275-7: O NOS Ag RBC Aggl Ql (RBC donor)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:23.604Z

1275-7 is a LOINC code used to identify O NOS Ag RBC Aggl 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 O NOS Ag. 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 O NOS Ag. 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: DEPRECATED
Method: Aggl RBC

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Deprecated O group [Presence] on Red Blood Cells from donor
O NOS Ag
Agg; Agglut; Agglutination; Antigen; Antigens; Arbitrary concentration; BLOOD BANK; Donr; Erythrocytes; Ordinal; Other; Point in time; 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

O NOS Ag RBC Aggl Ql (RBC donor)Deprecated O group [Presence] on Red Blood Cells from donorDeprecated O Ag RBC Donr QlO NOS AgBLDBKO NOS antigen, Donor Red blood cellsACnc

Frequently asked questions

Code details

Code1275-7

SystemLOINC

Display nameO NOS Ag RBC Aggl Ql (RBC donor)

DescriptionO NOS Ag

Short nameDeprecated O Ag RBC Donr Ql

ComponentO NOS Ag

PropertyACnc

TimingPt

System (specimen)RBC^Donor

ScaleOrd

MethodAggl RBC

ClassBLDBK

StatusDEPRECATED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.42

Consumer names

O NOS antigen, Donor Red blood cells

Part names

O NOS AgACncPtRBC^DonorOrdAggl RBCAgArbitrary ConcentrationPoint 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.