LOINCActiveBoth

LOINC Code 76476-1: Heart rate by Transthoracic impedance

76476-1 is a LOINC code used to identify Heart rate by Transthoracic impedance 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 Heart rate. 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 Heart rate. 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
  • Order vs observation: Both
  • Method: Impedance.transthoracic

What it does not mean

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

Key facts

  • Heart rate by Transthoracic impedance
  • Heart rate
  • Cardiac; Cardio; Cardiology; Count/time; Heart beat; Heart Disease; HEART RATE.MOLEC; Hrt; Imped.transthoracic; nRate; Number rate; Number Rate = Count/Time; Point in time; Pulse; QNT; Quan; Quant; Quantitative; Random

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 rate by Transthoracic impedanceHeart rate by transth impedHeart rateHRTRATE.MOLECNRatPtHeart

Frequently asked questions

Code details

Code76476-1
SystemLOINC
Display nameHeart rate by Transthoracic impedance
DescriptionHeart rate
Short nameHeart rate by transth imped
ComponentHeart rate
PropertyNRat
TimingPt
System (specimen)Heart
ScaleQn
MethodImpedance.transthoracic
ClassHRTRATE.MOLEC
Example unitsbeats/min
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.58

Consumer names

Heart rate

Part names

Heart rateNRatPtHeartQnImpedance.transthoracicNumber RatePoint in time (spot)

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 76476-1 | HealthAssure