LOINCActiveObservation

LOINC Code 40741-1: Platelet clump Auto Ql (Bld)

40741-1 is a LOINC code used to identify Platelet clump Auto Ql (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 Platelet clump. It is commonly used with the system or sample type Bld.

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 Platelet clump. 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

What it does not mean

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

Key facts

  • Platelet clump [Presence] in Blood by Automated count
  • Platelet clump
  • Auto; Automated detection; Blood; Elec; Elect; Electr; HEMATOLOGY/CELL COUNTS; Ordinal; Pl; Platelets; Platelt; Plt; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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

Platelet clump Auto Ql (Bld)Platelet clump [Presence] in Blood by Automated countPlatelet Clump Bld Ql AutoPlatelet clumpHEM/BCPlatelet clump, BloodPrThr

Frequently asked questions

Code details

Code40741-1
SystemLOINC
Display namePlatelet clump Auto Ql (Bld)
DescriptionPlatelet clump
Short namePlatelet Clump Bld Ql Auto
ComponentPlatelet clump
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
MethodAutomated count
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.73

Consumer names

Platelet clump, Blood

Part names

Platelet clumpPrThrPtBldOrdAutomated countPresence or ThresholdPoint 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.

LOINC Code 40741-1 | HealthAssure