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 40574-6: Platelets Auto (Body fld) [#/Vol]

Name: LOINC Code 40574-6: Platelets Auto (Body fld) [#/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

40574-6 is a LOINC code used to identify Platelets Auto (Body fld) [#/Vol] 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 Platelets. It is commonly used with the system or sample type Body fld.

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 Platelets. It is commonly used with the system or sample type Body fld.

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: Automated count

What it does not mean

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

Key facts

Platelets [#/volume] in Body fluid by Automated count
Platelets
#; ABS; absolute; absolutes; Auto; Automated detection; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Cnt; Count; Count/volume; CT; Elec; Elect; Electr; Fl; Fld; FLU; Fluid; HEMATOLOGY/CELL COUNTS; Number concentration; Number Concentration (count/vol); Platelet; Platelet count; Platelt; Plt; Point in time; QNT; Quan; Quant; Quantitative; Random; Thrb; Thrombocyte; Thrombocytes

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 Platelets Auto (Body fld) [#/Vol] (40574-6)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Platelets Auto (Body fld) [#/Vol]Platelets [#/volume] in Body fluid by Automated countPlatelet # Fld AutoPlateletsHEM/BCPlatelet count, Body fluidNCnc

Frequently asked questions

Code details

Code40574-6

SystemLOINC

Display namePlatelets Auto (Body fld) [#/Vol]

DescriptionPlatelets

Short namePlatelet # Fld Auto

ComponentPlatelets

PropertyNCnc

TimingPt

System (specimen)Body fld

ScaleQn

MethodAutomated count

ClassHEM/BC

Example units10*9/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.73

Consumer names

Platelet count, Body fluid

Part names

PlateletsNCncPtBody fldQnAutomated countNumber ConcentrationPoint in time (spot)Body fluid

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.