LOINCActiveObservation

LOINC Code 33062-1: Blood group antigens tested Nom (RBC)

33062-1 is a LOINC code used to identify Blood group antigens tested Nom (RBC) 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 tested for. It is commonly used with the system or sample type RBC.

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 tested for. It is commonly used with the system or sample type RBC.

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

  • Blood group antigens tested for on Red Blood Cells
  • Blood group antigens tested for
  • Ag; BLOOD BANK; Erythrocytes; Identity or presence; Nominal; Point in time; Random; Red blood cells; Red blood corpusles

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 tested Nom (RBC)Blood group antigens tested for on Red Blood CellsAg Tested RBCBlood group antigens tested forBLDBKBlood group antigens tested, Red blood cellsPrid

Frequently asked questions

Code details

Code33062-1
SystemLOINC
Display nameBlood group antigens tested Nom (RBC)
DescriptionBlood group antigens tested for
Short nameAg Tested RBC
ComponentBlood group antigens tested for
PropertyPrid
TimingPt
System (specimen)RBC
ScaleNom
ClassBLDBK
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.73

Consumer names

Blood group antigens tested, Red blood cells

Part names

Blood group antigens tested forPridPtRBCNomPresence or IdentityPoint in time (spot)Red Blood Cells

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 33062-1 | HealthAssure