LOINCActiveObservation

LOINC Code 103207-7: Duration of maximum heart rate zone

103207-7 is a LOINC code used to identify Duration of maximum heart rate zone 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 Duration of maximum heart rate zone. It is commonly used with the system or sample type ^Patient.

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 Duration of maximum heart rate zone. It is commonly used with the system or sample type ^Patient.

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: Observation

What it does not mean

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

Key facts

  • Duration of maximum heart rate zone
  • Dur of max HR zone; Durat; Heart beat; HEART RATE.TIMED.MOL; Maximum; Pulse; QNT; Quan; Quant; Quantitative; Report period

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

Duration of maximum heart rate zoneDur of max HR zoneHRTRATE.TIMED.MOLRatDiffRptPeriod^max^PatientQn

Frequently asked questions

Code details

Code103207-7
SystemLOINC
Display nameDuration of maximum heart rate zone
Short nameDur of max HR zone
ComponentDuration of maximum heart rate zone
PropertyRatDiff
TimingRptPeriod^max
System (specimen)^Patient
ScaleQn
ClassHRTRATE.TIMED.MOL
Example unitss
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.75
Last changed2.76

Part names

Duration of maximum heart rate zoneRatDiffRptPeriod^max^PatientQnDifference in rateReporting Period^max

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 103207-7 | HealthAssure