LOINCActive

LOINC Code 8884-9: Heart rate rhythm

8884-9 is a LOINC code used to identify Heart rate rhythm 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 rhythm. 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 rate rhythm. 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: ACTIVE

What it does not mean

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

Key facts

  • Heart rate rhythm
  • Heart beat; HEART RATE.ATOM; Misc; Miscellaneous; Nominal; Other; Point in time; Pulse; Random; Spec; To be specified in another part of the message; Typ; 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

Heart rate rhythmHRTRATE.ATOMTypePtXXXNomPoint in time (spot)

Frequently asked questions

Code details

Code8884-9
SystemLOINC
Display nameHeart rate rhythm
Short nameHeart rate rhythm
ComponentHeart rate rhythm
PropertyType
TimingPt
System (specimen)XXX
ScaleNom
ClassHRTRATE.ATOM
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(3)
Last changed2.73

Part names

Heart rate rhythmTypePtXXXNomPoint 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 8884-9 | HealthAssure