LOINCActiveObservation

LOINC Code 34477-0: Blood group antibodies identified Elution Nom

34477-0 is a LOINC code used to identify Blood group antibodies identified Elution Nom 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 antibodies. It is commonly used with the system or sample type Ser/Plas.

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 antibodies. It is commonly used with the system or sample type Ser/Plas.

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: Elution

What it does not mean

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

Key facts

  • Blood group antibodies identified in Serum or Plasma by Elution
  • Blood group antibodies
  • BLOOD BANK; Identity or presence; Nominal; Pl; Plasma; Plsm; Point in time; Random; 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

Blood group antibodies identified Elution NomBlood group antibodies identified in Serum or Plasma by ElutionBlood group antibodies SerPl ElutionBlood group antibodiesBLDBKBlood group antibodies test, BloodPrid

Frequently asked questions

Code details

Code34477-0
SystemLOINC
Display nameBlood group antibodies identified Elution Nom
DescriptionBlood group antibodies
Short nameBlood group antibodies SerPl Elution
ComponentBlood group antibodies
PropertyPrid
TimingPt
System (specimen)Ser/Plas
ScaleNom
MethodElution
ClassBLDBK
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.10
Last changed2.79

Consumer names

Blood group antibodies test, Blood

Part names

Blood group antibodiesPridPtSer/PlasNomElutionPresence or IdentityPoint in time (spot)Serum or Plasma

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.

LOINC Code 34477-0 | HealthAssure