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.

LOINCActiveBoth

LOINC Code 76686-5: Reticulocyte cellular hemoglobin distribution width Calc (Bld) [Entitic mass]

Name: LOINC Code 76686-5: Reticulocyte cellular hemoglobin distribution width Calc (Bld) [Entitic mass]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:57.646Z

76686-5 is a LOINC code used to identify Reticulocyte cellular hemoglobin distribution width Calc (Bld) [Entitic mass] 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 Reticulocyte cellular hemoglobin distribution width. 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 Reticulocyte cellular hemoglobin distribution width. 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: Both
Method: Calculated

What it does not mean

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

Key facts

Reticulocyte cellular hemoglobin distribution width [Entitic mass] in Blood by calculation
Reticulocyte cellular hemoglobin distribution width
This term was created for, but not limited in use to, the ADVIA 2120/2120i Hematology System.
Blood; Calc; Calculation; CHDWr; Entitic mass; Haemoglobin; Hb; HDW; HEMATOLOGY/CELL COUNTS; Hgb; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Reticulocyte cellular hemoglobin distribution width Calc (Bld) [Entitic mass]Reticulocyte cellular hemoglobin distribution width [Entitic mass] in Blood by calculationCHDWr Bld Qn CalcReticulocyte cellular hemoglobin distribution widthHEM/BCReticulocyte cellular hemoglobin distribution width, BloodEntMass

Frequently asked questions

Code details

Code76686-5

SystemLOINC

Display nameReticulocyte cellular hemoglobin distribution width Calc (Bld) [Entitic mass]

DescriptionReticulocyte cellular hemoglobin distribution width

Short nameCHDWr Bld Qn Calc

ComponentReticulocyte cellular hemoglobin distribution width

PropertyEntMass

TimingPt

System (specimen)Bld

ScaleQn

MethodCalculated

ClassHEM/BC

Example unitspg

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.52

Last changed2.52

Consumer names

Reticulocyte cellular hemoglobin distribution width, Blood

Part names

Reticulocyte cellular hemoglobin distribution widthEntMassPtBldQnCalculatedEntitic massPoint 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.