LOINCActiveBoth

LOINC Code 41209-8: VWF gene.p.Arg854Gln Molgen Ql (Bld/Tiss)

41209-8 is a LOINC code used to identify VWF gene.p.Arg854Gln Molgen Ql (Bld/Tiss) 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 VWF gene.p.Arg854Gln. It is commonly used with the system or sample type Bld/Tiss.

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 VWF gene.p.Arg854Gln. It is commonly used with the system or sample type Bld/Tiss.

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: Molgen

What it does not mean

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

Key facts

  • VWF gene.p.Arg854Gln [Presence] in Blood or Tissue by Molecular genetics method
  • VWF gene.p.Arg854Gln
  • A91G; Arg854Gln; Blood; F8VWF; Genetics; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Ordinal; P prime; PCR; Point in time; PR; QL; Qual; Qualitative; Random; rs41276738; Screen; Tissue; Tissue, unspecified; von Willebrand factor; von Willebrand Factor gene; VWD; VWF p.R854Q; WB; Whole blood; Whole blood or Tissue

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 gene.p.Arg854Gln Molgen Ql (Bld/Tiss)VWF gene.p.Arg854Gln [Presence] in Blood or Tissue by Molecular genetics methodVWF p.R854Q Bld/T QlVWF gene.p.Arg854GlnMOLPATH.MUTVWF gene p.Arg854Gln, Blood or tissue specimenPrThr

Frequently asked questions

Code details

Code41209-8
SystemLOINC
Display nameVWF gene.p.Arg854Gln Molgen Ql (Bld/Tiss)
DescriptionVWF gene.p.Arg854Gln
Short nameVWF p.R854Q Bld/T Ql
ComponentVWF gene.p.Arg854Gln
PropertyPrThr
TimingPt
System (specimen)Bld/Tiss
ScaleOrd
MethodMolgen
ClassMOLPATH.MUT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

VWF gene p.Arg854Gln, Blood or tissue specimen

Part names

VWF gene.p.Arg854GlnPrThrPtBld/TissOrdMolgenPresence or ThresholdPoint in time (spot)Blood or TissueMolecular genetics

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 41209-8 | HealthAssure