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 56012-8: Platelet aggregation interpretation Ql (Bld) [Interp]

Name: LOINC Code 56012-8: Platelet aggregation interpretation Ql (Bld) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:37.766Z

56012-8 is a LOINC code used to identify Platelet aggregation interpretation Ql (Bld) [Interp] 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 aggregation interpretation. 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 Platelet aggregation interpretation. 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: Arachidonate induced ATP secretion.500 umol/L

What it does not mean

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

Key facts

Platelet aggregation interpretation in Blood Qualitative by Arachidonate induced ATP secretion.500 umol/L
Platelet aggregation interpretation
Agg; Aggr; Blood; COAGULATION; Hematology; Heme; Impression; Impression/interpretation of study; Impressions; Interp; Interpret; Interpretation; Interpt; Intrp; Left; Levo; Ordinal; PA; Pl; Platelet aggr int; Platelets; Platelt; Plt; Point in time; 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 aggregation interpretation Ql (Bld) [Interp]Platelet aggregation interpretation in Blood Qualitative by Arachidonate induced ATP secretion.500 umol/LPlatelet aggr int Bld Arachidonate induced ATP secretion.500 umol/L-ImpPlatelet aggregation interpretationCOAGPlatelet aggregation interpretation, BloodImp

Frequently asked questions

Code details

Code56012-8

SystemLOINC

Display namePlatelet aggregation interpretation Ql (Bld) [Interp]

DescriptionPlatelet aggregation interpretation

Short namePlatelet aggr int Bld Arachidonate induced ATP secretion.500 umol/L-Imp

ComponentPlatelet aggregation interpretation

PropertyImp

TimingPt

System (specimen)Bld

ScaleOrd

MethodArachidonate induced ATP secretion.500 umol/L

ClassCOAG

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.82

Consumer names

Platelet aggregation interpretation, Blood

Part names

Platelet aggregation interpretationImpPtBldOrdArachidonate induced ATP secretion.500 umol/LImpression/interpretation of studyPoint 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.