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 97994-8: Platelets Large/Platelets Auto.optical (Bld)

Name: LOINC Code 97994-8: Platelets Large/Platelets Auto.optical (Bld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:31.427Z

97994-8 is a LOINC code used to identify Platelets Large/Platelets Auto.optical (Bld) 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.large/Platelets. 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 Platelets.large/Platelets. 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: Observation
Method: Automated count.optical

What it does not mean

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

Key facts

Platelets Large/Platelets in Blood by Automated count.optical
Platelets.large/Platelets
Auto; Auto Optical; Automated detection; Blood; Elec; Elect; Electr; HEMATOLOGY/CELL COUNTS; Lg Platelets; Number Fraction; Percent; Platelet; Platelt; Plt; Point in time; QNT; Quan; Quant; Quantitative; Random; Thrb; Thrombocyte; Thrombocytes; 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

Platelets Large/Platelets Auto.optical (Bld)Platelets Large/Platelets in Blood by Automated count.opticalLg Platelets NFr Bld Auto OpticalPlatelets.large/PlateletsHEM/BCPlatelets large/Platelets, BloodNFr

Frequently asked questions

Code details

Code97994-8

SystemLOINC

Display namePlatelets Large/Platelets Auto.optical (Bld)

DescriptionPlatelets.large/Platelets

Short nameLg Platelets NFr Bld Auto Optical

ComponentPlatelets.large/Platelets

PropertyNFr

TimingPt

System (specimen)Bld

ScaleQn

MethodAutomated count.optical

ClassHEM/BC

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.70

Last changed2.70

Consumer names

Platelets large/Platelets, Blood

Part names

Platelets.large/PlateletsNFrPtBldQnAutomated count.opticalNumber FractionPoint 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.