LOINCActiveObservation

LOINC Code 18051-3: Left ventricular Fractional shortening minor axis by US

18051-3 is a LOINC code used to identify Left ventricular Fractional shortening minor axis by US 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 Fractional shortening.minor axis. It is commonly used with the system or sample type Heart.ventricle.left.

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 Fractional shortening.minor axis. It is commonly used with the system or sample type Heart.ventricle.left.

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: US

What it does not mean

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

Key facts

  • Left ventricular Fractional shortening minor axis by US
  • Fractional shortening.minor axis
  • CARD.US; Cardiac; Cardio; Cardiology; Echography; FS; Heart Disease; Hrt; Hrt ventr; L; Length Fraction; LT; LV; LVFS; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; SAX; short axis; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Ventricular

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

Left ventricular Fractional shortening minor axis by USLV FS USFractional shortening.minor axisCARD.USLenFrPtHeart.ventricle.left

Frequently asked questions

Code details

Code18051-3
SystemLOINC
Display nameLeft ventricular Fractional shortening minor axis by US
DescriptionFractional shortening.minor axis
Short nameLV FS US
ComponentFractional shortening.minor axis
PropertyLenFr
TimingPt
System (specimen)Heart.ventricle.left
ScaleQn
MethodUS
ClassCARD.US
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Part names

Fractional shortening.minor axisLenFrPtHeart.ventricle.leftQnUSFractional shortening minor axisLength fractionPoint in time (spot)Heart ventricle - leftUltrasound

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.