LOINCActive

LOINC Code 18845-8: Reference beat type (narrative) by EKG

18845-8 is a LOINC code used to identify Reference beat type (narrative) by EKG 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 Reference beat type. 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 Reference beat type. 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
  • Method: EKG

What it does not mean

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

Key facts

  • Reference beat type (narrative) by EKG
  • Reference beat type
  • ATTACH; ATTACH.CLINRPT; Cardiac; Cardio; Cardiology; ECG; Electrocardiogram; Electrocardiograph; Heart Disease; Hrt; Identity or presence; Narrative; Point in time; Random; RefB; RefB type; Report

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

Reference beat type (narrative) by EKGReference beat typeATTACH.CLINRPTPridPtHeartNar

Frequently asked questions

Code details

Code18845-8
SystemLOINC
Display nameReference beat type (narrative) by EKG
DescriptionReference beat type
ComponentReference beat type
PropertyPrid
TimingPt
System (specimen)Heart
ScaleNar
MethodEKG
ClassATTACH.CLINRPT
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.27

Part names

Reference beat typePridPtHeartNarEKGPresence or IdentityPoint in time (spot)Electrocardiogram (EKG)

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 18845-8 | HealthAssure