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 1272-4: O NOS Ab RBC Aggl Ql (S/P donor)

Name: LOINC Code 1272-4: O NOS Ab RBC Aggl Ql (S/P donor)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:23.604Z

1272-4 is a LOINC code used to identify O NOS Ab RBC Aggl Ql (S/P 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 Ab. It is commonly used with the system or sample type Ser/Plas^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 Ab. It is commonly used with the system or sample type Ser/Plas^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] in serum or plasma from donor
O NOS Ab
ABS; Aby; Agg; Agglut; Agglutination; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; BLOOD BANK; Donr; Ordinal; Other; Pl; Plasma; Plsm; Point in time; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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 Ab RBC Aggl Ql (S/P donor)Deprecated O group [Presence] in serum or plasma from donorDeprecated O Ab SerPl Donr QlO NOS AbBLDBKO NOS antibody, Donor BloodACnc

Frequently asked questions

Code details

Code1272-4

SystemLOINC

Display nameO NOS Ab RBC Aggl Ql (S/P donor)

DescriptionO NOS Ab

Short nameDeprecated O Ab SerPl Donr Ql

ComponentO NOS Ab

PropertyACnc

TimingPt

System (specimen)Ser/Plas^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 antibody, Donor Blood

Part names

O NOS AbACncPtSer/Plas^DonorOrdAggl RBCArbitrary ConcentrationPoint in time (spot)Serum or Plasma^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.