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.

LOINCActiveObservation

LOINC Code 18287-3: Donath Landsteiner Ab Ql (S+RBC control)

Name: LOINC Code 18287-3: Donath Landsteiner Ab Ql (S+RBC control)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:27.587Z

18287-3 is a LOINC code used to identify Donath Landsteiner Ab Ql (S+RBC control) 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 Donath Landsteiner Ab. It is commonly used with the system or sample type Ser+RBC^Control.

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 Donath Landsteiner Ab. It is commonly used with the system or sample type Ser+RBC^Control.

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

Donath Landsteiner Ab [Presence] in Control Serum and RBC
Donath Landsteiner Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; BLOOD BANK; Both serum and erythrocytes; Contrl; DL; D-L; Erythrocytes; Normal; Ordinal; Paroxysmal cold hmoglobinuria; PCH; Point in time; PR; QL; Qual; Qualitative; Random; Red blood cells; Red blood corpusles; Screen; Serum; 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

Donath Landsteiner Ab Ql (S+RBC control)Donath Landsteiner Ab [Presence] in Control Serum and RBCD-L Ab Ser+RBC Cont QlDonath Landsteiner AbBLDBKDonath landsteiner antibody, control Control BloodPrThr

Frequently asked questions

Code details

Code18287-3

SystemLOINC

Display nameDonath Landsteiner Ab Ql (S+RBC control)

DescriptionDonath Landsteiner Ab

Short nameD-L Ab Ser+RBC Cont Ql

ComponentDonath Landsteiner Ab

PropertyPrThr

TimingPt

System (specimen)Ser+RBC^Control

ScaleOrd

ClassBLDBK

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.73

Consumer names

Donath landsteiner antibody, control Control Blood

Part names

Donath Landsteiner AbPrThrPtSer+RBC^controlOrdPresence or ThresholdPoint in time (spot)Serum and RBC^Control

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.