LOINCActiveObservation

LOINC Code 50211-2: Functional shunt volume

50211-2 is a LOINC code used to identify Functional shunt volume 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 Functional shunt volume. It is commonly used with the system or sample type BldA+BldMV.

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 Functional shunt volume. It is commonly used with the system or sample type BldA+BldMV.

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

What it does not mean

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

Key facts

  • Functional shunt volume
  • ABG; ART; Art bld; Art blood; Arterial; Arterial blood; Bld mixed venous; Blood - mixed venous; Blood arterial; Fshunt; Fshunt vol; Hemodynamics; HEMODYNAMICS.MOLEC; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Vol; Volfr; Volume fraction

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

Functional shunt volumeFshunt volHEMODYN.MOLECVFrPtBldA+BldMVQn

Frequently asked questions

Code details

Code50211-2
SystemLOINC
Display nameFunctional shunt volume
Short nameFshunt vol
ComponentFunctional shunt volume
PropertyVFr
TimingPt
System (specimen)BldA+BldMV
ScaleQn
ClassHEMODYN.MOLEC
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.70

Part names

Functional shunt volumeVFrPtBldA+BldMVQnVolume FractionPoint in time (spot)Blood arterial and Blood mixed venous

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 50211-2 | HealthAssure