LOINCActiveObservation

LOINC Code 34481-2: Blood group antibodies identified Warm incubation Nom

34481-2 is a LOINC code used to identify Blood group antibodies identified Warm incubation 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: Warm incubation

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 Warm incubation
  • 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 Warm incubation NomBlood group antibodies identified in Serum or Plasma by Warm incubationBlood group antibodies SerPl WarmBlood group antibodiesBLDBKBlood group antibodies test, BloodPrid

Frequently asked questions

Code details

Code34481-2
SystemLOINC
Display nameBlood group antibodies identified Warm incubation Nom
DescriptionBlood group antibodies
Short nameBlood group antibodies SerPl Warm
ComponentBlood group antibodies
PropertyPrid
TimingPt
System (specimen)Ser/Plas
ScaleNom
MethodWarm incubation
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/PlasNomWarm incubationPresence 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.