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 74396-3: Large unstained cells/Leukocytes Auto (BldCo)

Name: LOINC Code 74396-3: Large unstained cells/Leukocytes Auto (BldCo)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:53.975Z

74396-3 is a LOINC code used to identify Large unstained cells/Leukocytes Auto (BldCo) 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 Large unstained cells/Leukocytes. It is commonly used with the system or sample type BldCo.

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 Large unstained cells/Leukocytes. It is commonly used with the system or sample type BldCo.

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: Automated count

What it does not mean

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

Key facts

Large unstained cells/Leukocytes in Cord blood by Automated count
Large unstained cells/Leukocytes
Auto; Automated detection; Blood - (umbilical) cord; Cell; Cellularity; Cord (umbilical) blood; Cord bld; Cord blood; Elec; Elect; Electr; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; LUC; 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.

Common synonyms

Large unstained cells/Leukocytes Auto (BldCo)Large unstained cells/Leukocytes in Cord blood by Automated countLUC NFr BldCo AutoLarge unstained cells/LeukocytesHEM/BCLarge unstained cells/White Blood Cells, Cord bloodNFr

Frequently asked questions

Code details

Code74396-3

SystemLOINC

Display nameLarge unstained cells/Leukocytes Auto (BldCo)

DescriptionLarge unstained cells/Leukocytes

Short nameLUC NFr BldCo Auto

ComponentLarge unstained cells/Leukocytes

PropertyNFr

TimingPt

System (specimen)BldCo

ScaleQn

MethodAutomated count

ClassHEM/BC

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.46

Last changed2.79

Consumer names

Large unstained cells/White Blood Cells, Cord blood

Part names

Large unstained cells/LeukocytesNFrPtBldCoQnAutomated countNumber FractionPoint in time (spot)Blood cord

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.