LOINCActiveObservation

LOINC Code 77159-2: RBC.ghost cells LM Ql (Bld)

77159-2 is a LOINC code used to identify RBC.ghost cells 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.ghost cells. It is commonly used with the system or sample type Bld.

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 Erythrocytes.ghost cells. 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.ghost cells [Presence] in Blood by Light microscopy
  • Erythrocytes.ghost cells
  • Blood; Cell; Cellularity; Discocytes; Erthrocyte; Erythrocyte; HEMATOLOGY/CELL COUNTS; LM; Micro; Micros; Microscopic; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RBC; RBCGhost; 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.ghost cells LM Ql (Bld)Erythrocytes.ghost cells [Presence] in Blood by Light microscopyRBCGhost Bld Ql SmearErythrocytes.ghost cellsHEM/BCRed blood cell ghost cells, BloodPrThr

Frequently asked questions

Code details

Code77159-2
SystemLOINC
Display nameRBC.ghost cells LM Ql (Bld)
DescriptionErythrocytes.ghost cells
Short nameRBCGhost Bld Ql Smear
ComponentErythrocytes.ghost cells
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
MethodMicroscopy.light
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.56

Consumer names

Red blood cell ghost cells, Blood

Part names

Erythrocytes.ghost cellsPrThrPtBldOrdMicroscopy.lightPresence 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 77159-2 | HealthAssure