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.

LOINCObservation

LOINC Code 11137-7: Erythroblasts mid/100 RBC (BM)

Name: LOINC Code 11137-7: Erythroblasts mid/100 RBC (BM)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:21.941Z

11137-7 is a LOINC code used to identify Erythroblasts mid/100 RBC (BM) 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 Erythroblasts mid/100 erythrocytes. It is commonly used with the system or sample type Bone mar.

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 Erythroblasts mid/100 erythrocytes. It is commonly used with the system or sample type Bone mar.

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: DEPRECATED
Order vs observation: Observation

What it does not mean

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

Key facts

Deprecated Normoblasts Polychromatophilic/100 cells in Bone marrow by Microscopy
Erythroblasts mid/100 erythrocytes
100 RBC; BM; BON; Bone marrow; Discocytes; Erthrocyte; Erythrocyte; HEMATOLOGY/CELL COUNTS; MAR; Marrow (bone); minimal angle of resolution; Minimum angle of resolution; Number fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; RBC; RBCS; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells

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

Erythroblasts mid/100 RBC (BM)Deprecated Normoblasts Polychromatophilic/100 cells in Bone marrow by MicroscopyDeprecated Erythroblasts mid Fr MarErythroblasts mid/100 erythrocytesHEM/BCErythroblasts Mid per 100 Red Blood Cells, Bone marrowNFr

Frequently asked questions

Code details

Code11137-7

SystemLOINC

Display nameErythroblasts mid/100 RBC (BM)

DescriptionErythroblasts mid/100 erythrocytes

Short nameDeprecated Erythroblasts mid Fr Mar

ComponentErythroblasts mid/100 erythrocytes

PropertyNFr

TimingPt

System (specimen)Bone mar

ScaleQn

ClassHEM/BC

Example units%

StatusDEPRECATED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0j-a

Last changed2.70

Consumer names

Erythroblasts Mid per 100 Red Blood Cells, Bone marrow

Part names

Erythroblasts mid/100 erythrocytesNFrPtBone marQnNumber FractionPoint in time (spot)Bone marrow

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.