LOINCActive

LOINC Code 59084-4: Heart Isovolumic contraction time by US

59084-4 is a LOINC code used to identify Heart Isovolumic contraction time 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 Isovolumic contraction time. It is commonly used with the system or sample type Heart.

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 Isovolumic contraction time. It is commonly used with the system or sample type Heart.

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
  • Method: US

What it does not mean

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

Key facts

  • Heart Isovolumic contraction time by US
  • Isovolumic contraction time
  • Duration from the cessation of Mitral flow until onset of aortic valve flow (Or Mitral closing until aortic opening).
  • CARD.US; Cardiac; Cardio; Cardiology; Echography; Heart Disease; Hrt; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound

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

Heart Isovolumic contraction time by USHrt Isovolumic contraction time USIsovolumic contraction timeCARD.USTimePtHeart

Frequently asked questions

Code details

Code59084-4
SystemLOINC
Display nameHeart Isovolumic contraction time by US
DescriptionIsovolumic contraction time
Short nameHrt Isovolumic contraction time US
ComponentIsovolumic contraction time
PropertyTime
TimingPt
System (specimen)Heart
ScaleQn
MethodUS
ClassCARD.US
Example unitsms
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.32
Last changed2.54

Part names

Isovolumic contraction timeTimePtHeartQnUSTime (e.g. seconds)Point in time (spot)Ultrasound

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 59084-4 | HealthAssure