LOINCActiveBoth

LOINC Code 34589-2: vWf cleaving protease Ql (PPP)

34589-2 is a LOINC code used to identify vWf cleaving protease Ql (PPP) 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 von Willebrand factor cleaving protease. It is commonly used with the system or sample type PPP.

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 von Willebrand factor cleaving protease. It is commonly used with the system or sample type PPP.

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

What it does not mean

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

Key facts

  • von Willebrand factor (vWf) cleaving protease [Presence] in Platelet poor plasma
  • von Willebrand factor cleaving protease
  • ADAMTS13; ADAMTS-13; COAGULATION; Fac; Fact; Hematology; Heme; Ordinal; Plas; Platelet poor plasma; Point in time; PR; QL; Qual; Qualitative; Random; Screen; TTP; Von will; Vonwillebrand; vWCP; vWf; vWF Cp; VWFCP; VWF-cp

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

vWf cleaving protease Ql (PPP)von Willebrand factor (vWf) cleaving protease [Presence] in Platelet poor plasmavWF Cp PPP Qlvon Willebrand factor cleaving proteaseCOAGvWf cleaving protease, BloodPrThr

Frequently asked questions

Code details

Code34589-2
SystemLOINC
Display namevWf cleaving protease Ql (PPP)
Descriptionvon Willebrand factor cleaving protease
Short namevWF Cp PPP Ql
Componentvon Willebrand factor cleaving protease
PropertyPrThr
TimingPt
System (specimen)PPP
ScaleOrd
ClassCOAG
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.10
Last changed2.73

Consumer names

vWf cleaving protease, Blood

Part names

von Willebrand factor cleaving proteasePrThrPtPPPOrdvon Willebrand factor (vWf) cleaving proteasePresence or ThresholdPoint in time (spot)Platelet poor plasma

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 34589-2 | HealthAssure