What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCObservation

LOINC Code 40586-0: Deprecated Heart beat^pre exercise: NRat: Pt: XXX: Qn: Oximetry

Name: LOINC Code 40586-0: Deprecated Heart beat^pre exercise: NRat: Pt: XXX: Qn: Oximetry
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:27.146Z

40586-0 is a LOINC code used to identify Deprecated Heart beat^pre exercise: NRat: Pt: XXX: Qn: 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 beat^pre exercise. It is commonly used with the system or sample type XXX.

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 beat^pre exercise. It is commonly used with the system or sample type XXX.

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 beat^pre exerciseNRat: Pt: XXX: Qn: Oximetry

Heart beat^pre exercise

Before; Count/time; EXCZ; Heart rate; HEART RATE.MOLEC; Misc; Miscellaneous; nRate; Number rate; Number Rate = Count/Time; Other; Point in time; pre Exc; Pre exercise; Pulse rate; QNT; Quan; Quant; Quantitative; Random; Spec; To be specified in another part of the message; Unspecified

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 beat^pre exercise: NRat: Pt: XXX: Qn: OximetryDeprecatedHeart beat^pre exerciseHeart beat^pre exerciseHRTRATE.MOLECNRatPtXXX

Frequently asked questions

Code details

Code40586-0

SystemLOINC

Display nameDeprecated Heart beat^pre exercise: NRat: Pt: XXX: Qn: Oximetry

DescriptionHeart beat^pre exercise

Short nameDeprecatedHeart beat^pre exercise

ComponentHeart beat^pre exercise

PropertyNRat

TimingPt

System (specimen)XXX

ScaleQn

MethodOximetry

ClassHRTRATE.MOLEC

StatusDEPRECATED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.36

Part names

Heart beat^pre exerciseNRatPtXXXQnOximetryNumber 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.