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 74754-3: Blood group antigens present Immediate spin Nom (Bld)

Name: LOINC Code 74754-3: Blood group antigens present Immediate spin Nom (Bld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:55.155Z

74754-3 is a LOINC code used to identify Blood group antigens present Immediate spin Nom (Bld) 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 group antigens present. It is commonly used with the system or sample type Bld.

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 group antigens present. It is commonly used with the system or sample type Bld.

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
Method: Immediate spin

What it does not mean

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

Key facts

Blood group antigens present [Identifier] in Blood by Immediate spin

Blood group antigens present

Red blood cell antigen typing is used to identify specific antigens on the red cell. Some antigens that might be seen in the immediate spin areRh (C, D, E, c, e). This typing may be performed for prenatal patients where hemolytic disease of the newborn (HDN) is suspected.

Ag; Blood; BLOOD BANK; Identity or presence; Imm Spin; IS; Nominal; Point in time; Random; WB; Whole blood

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 group antigens present Immediate spin Nom (Bld)Blood group antigens present [Identifier] in Blood by Immediate spinAntigens Present Bld Imm SpinBlood group antigens presentBLDBKBlood group antigens present, BloodPrid

Frequently asked questions

Code details

Code74754-3

SystemLOINC

Display nameBlood group antigens present Immediate spin Nom (Bld)

DescriptionBlood group antigens present

Short nameAntigens Present Bld Imm Spin

ComponentBlood group antigens present

PropertyPrid

TimingPt

System (specimen)Bld

ScaleNom

MethodImmediate spin

ClassBLDBK

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.48

Last changed2.48

Consumer names

Blood group antigens present, Blood

Part names

Blood group antigens presentPridPtBldNomImmediate spinPresence or IdentityPoint in time (spot)Blood

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.