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LOINC Code 59083-6: Heart Isovolumic relaxation time by US

59083-6 is a LOINC code used to identify Heart Isovolumic relaxation 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 relaxation time. It is commonly used with the system or sample type Heart.

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 relaxation 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 relaxation time by US
  • Isovolumic relaxation time
  • Duration from the cessation of aortic valve flow to the onset of Mitral flow (can be measured for the right side as well, using the analogous valve flows)
  • CARD.US; Cardiac; Cardio; Cardiology; Echography; Heart Disease; Hrt; IVRT; 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 relaxation time by USHrt Isovolumic relaxation time USIsovolumic relaxation timeCARD.USTimePtHeart

Frequently asked questions

Code details

Code59083-6
SystemLOINC
Display nameHeart Isovolumic relaxation time by US
DescriptionIsovolumic relaxation time
Short nameHrt Isovolumic relaxation time US
ComponentIsovolumic relaxation 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 relaxation 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.