LOINCActiveObservation

LOINC Code 11273-0: RBC Auto Nom (Bld)

11273-0 is a LOINC code used to identify RBC Auto 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 Erythrocytes. It is commonly used with the system or sample type Bld.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Erythrocytes. 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: Automated count

What it does not mean

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

Key facts

  • Erythrocytes [Morphology] in Blood by Automated count
  • Erythrocytes
  • Automated hematology cell counter compares patient parameters with parameters defined as 'normal' by the laboratory
  • Auto; Automated detection; Blood; Discocytes; Elec; Elect; Electr; Erthrocyte; Erythrocyte; HEMATOLOGY/CELL COUNTS; Morphology; Nominal; Point in time; Random; RBC; RBCS; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; 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

RBC Auto Nom (Bld)Erythrocytes [Morphology] in Blood by Automated countRBC Bld AutoErythrocytesHEM/BCRed Blood Cell (RBC) Count, BloodMorph

Frequently asked questions

Code details

Code11273-0
SystemLOINC
Display nameRBC Auto Nom (Bld)
DescriptionErythrocytes
Short nameRBC Bld Auto
ComponentErythrocytes
PropertyMorph
TimingPt
System (specimen)Bld
ScaleNom
MethodAutomated count
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

Red Blood Cell (RBC) Count, Blood

Part names

ErythrocytesMorphPtBldNomAutomated countMorphologyPoint 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.

LOINC Code 11273-0 | HealthAssure