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 56771-9: Eosinophils/Leukocytes FC (Bronch spec)

Name: LOINC Code 56771-9: Eosinophils/Leukocytes FC (Bronch spec)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

56771-9 is a LOINC code used to identify Eosinophils/Leukocytes FC (Bronch spec) 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 Eosinophils/Leukocytes. It is commonly used with the system or sample type Bronchial.

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 Eosinophils/Leukocytes. It is commonly used with the system or sample type Bronchial.

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: Flow cytometry

What it does not mean

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

Key facts

Eosinophils/Leukocytes in Bronchial specimen by Flow cytometry (FC)
Eosinophils/Leukocytes
Bro; Dynamic; Eos; Eosin; Eosino; Eosinophil; Eosins; FC; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Number fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; WBC; WBCs; White blood cell; White blood 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Eosinophils/Leukocytes FC (Bronch spec) (56771-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Eosinophils/Leukocytes FC (Bronch spec)Eosinophils/Leukocytes in Bronchial specimen by Flow cytometry (FC)Eosinophil NFr Bronch FCEosinophils/LeukocytesHEM/BCEosinophils/White Blood Cells, Bronchial specimenNFr

Frequently asked questions

Code details

Code56771-9

SystemLOINC

Display nameEosinophils/Leukocytes FC (Bronch spec)

DescriptionEosinophils/Leukocytes

Short nameEosinophil NFr Bronch FC

ComponentEosinophils/Leukocytes

PropertyNFr

TimingPt

System (specimen)Bronchial

ScaleQn

MethodFlow cytometry

ClassHEM/BC

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.79

Consumer names

Eosinophils/White Blood Cells, Bronchial specimen

Part names

Eosinophils/leukocytesNFrPtBronchialQnFlow cytometryNumber FractionPoint in time (spot)Flow cytometry (FC)

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.