What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 51718-5: Normoblasts Polychromatophilic/Cells Microscopy (Bld)

Name: LOINC Code 51718-5: Normoblasts Polychromatophilic/Cells Microscopy (Bld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:35.013Z

51718-5 is a LOINC code used to identify Normoblasts Polychromatophilic/Cells Microscopy (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 Normoblasts.polychromatophilic/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 Normoblasts.polychromatophilic/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

What it does not mean

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

Key facts

Normoblasts Polychromatophilic/cells in Blood by Microscopy
Normoblasts.polychromatophilic/Cells
Blood; Cell; Cellularity; Erythroblast; Erythroblasts; HEMATOLOGY/CELL COUNTS; Immature erythrocytes; Intermediate erythroblast; Micro; Micros; Microscopic; Mid erythroblast; Normoblast; Number fraction; Percent; Point in time; Poly Normoblasts; Polychromatic erythroblast; QNT; Quan; Quant; Quantitative; Random; Rubricyte; 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

Normoblasts Polychromatophilic/Cells Microscopy (Bld)Normoblasts Polychromatophilic/cells in Blood by MicroscopyPoly Normoblasts NFr Bld MicroNormoblasts.polychromatophilic/CellsHEM/BCNormoblasts polychromatophilic/cells, BloodNFr

Frequently asked questions

Code details

Code51718-5

SystemLOINC

Display nameNormoblasts Polychromatophilic/Cells Microscopy (Bld)

DescriptionNormoblasts.polychromatophilic/Cells

Short namePoly Normoblasts NFr Bld Micro

ComponentNormoblasts.polychromatophilic/Cells

PropertyNFr

TimingPt

System (specimen)Bld

ScaleQn

MethodMicroscopy

ClassHEM/BC

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.24

Last changed2.79

Consumer names

Normoblasts polychromatophilic/cells, Blood

Part names

Normoblasts.polychromatophilic/CellsNFrPtBldQnMicroscopyNumber FractionPoint 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.