LOINCObservation

LOINC Code 44609-6: Deprecated Heart rate Episode maximum by Oximetry

44609-6 is a LOINC code used to identify Deprecated Heart rate Episode maximum by Oximetry 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 Capillary bed.

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 Capillary bed.

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: DEPRECATED
  • Order vs observation: Observation
  • Method: Oximetry

What it does not mean

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

Key facts

  • Deprecated Heart rate Episode maximum by Oximetry
  • Heart rate
  • Count/time; Heart beat; HEART RATE.MOLEC; Maximum; nRate; Number rate; Number Rate = Count/Time; Pulse; QNT; Quan; Quant; Quantitative

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

Deprecated Heart rate Episode maximum by OximetryDeprecated Heart rate Episode Max OximetHeart rateHRTRATE.MOLECMaximum Heart rate in EpisodeNRatEpisode^max

Frequently asked questions

Code details

Code44609-6
SystemLOINC
Display nameDeprecated Heart rate Episode maximum by Oximetry
DescriptionHeart rate
Short nameDeprecated Heart rate Episode Max Oximet
ComponentHeart rate
PropertyNRat
TimingEpisode^max
System (specimen)Capillary bed
ScaleQn
MethodOximetry
ClassHRTRATE.MOLEC
Example unitsbeats/min
StatusDEPRECATED
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.54

Consumer names

Maximum Heart rate in Episode

Part names

Heart rateNRatEpisode^maxCapillary bedQnOximetryNumber Rate

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 44609-6 | HealthAssure