LOINCActiveBoth

LOINC Code 75986-0: Velocity index Aorta Non-invasive impedance cardiography (NI-ICG)

75986-0 is a LOINC code used to identify Velocity index Aorta Non-invasive impedance cardiography (NI-ICG) 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 Velocity index. It is commonly used with the system or sample type Aorta.

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 Velocity index. It is commonly used with the system or sample type Aorta.

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: NI-ICG

What it does not mean

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

Key facts

  • Velocity index Aorta Non-invasive impedance cardiography (NI-ICG)
  • Velocity index
  • AO; Aortic; Cardio; Cardiology; CARDIO-PULM; Heart Disease; Lung; Point in time; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; Vel; Velocity

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

Velocity index Aorta Non-invasive impedance cardiography (NI-ICG)Velocity index Aorta NI-ICGVelocity indexCARDIO-PULMVelPtAorta

Frequently asked questions

Code details

Code75986-0
SystemLOINC
Display nameVelocity index Aorta Non-invasive impedance cardiography (NI-ICG)
DescriptionVelocity index
Short nameVelocity index Aorta NI-ICG
ComponentVelocity index
PropertyVel
TimingPt
System (specimen)Aorta
ScaleQn
MethodNI-ICG
ClassCARDIO-PULM
Example unitscm/s
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Velocity indexVelPtAortaQnNI-ICGVelocity (distance/time)Point in time (spot)Non-invasive impedance cardiography (NI-ICG)

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.