LOINCActiveObservation

LOINC Code 10379-6: RBC.dual population LM Ql (Bld)

10379-6 is a LOINC code used to identify RBC.dual population LM Ql (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.dual population. 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.dual population. 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: Microscopy.light

What it does not mean

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

Key facts

  • Erythrocytes.dual population [Presence] in Blood by Light microscopy
  • Erythrocytes.dual population
  • Blood; Dimorphic population; Discocytes; Erthrocyte; Erythrocyte; HEMATOLOGY/CELL COUNTS; LM; Micro; Micros; Microscopic; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RBC; RBC Dual Pop; RBCS; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; Screen; 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.dual population LM Ql (Bld)Erythrocytes.dual population [Presence] in Blood by Light microscopyRBC Dual Pop Bld Ql SmearErythrocytes.dual populationHEM/BCDual population red blood cells, BloodPrThr

Frequently asked questions

Code details

Code10379-6
SystemLOINC
Display nameRBC.dual population LM Ql (Bld)
DescriptionErythrocytes.dual population
Short nameRBC Dual Pop Bld Ql Smear
ComponentErythrocytes.dual population
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
MethodMicroscopy.light
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.73

Consumer names

Dual population red blood cells, Blood

Part names

Erythrocytes.dual populationPrThrPtBldOrdMicroscopy.lightRBC Dual PopulationPresence or ThresholdPoint in time (spot)BloodLight microscopy

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 10379-6 | HealthAssure