LOINCActive

LOINC Code 11328-2: Heart rate at First encounter

11328-2 is a LOINC code used to identify Heart rate at First encounter 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 Arterial system.

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 Arterial system.

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 at First encounter
  • Heart rate
  • 1st; Art sys; Count/time; Encounter; Heart beat; HEART RATE.ATOM; 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

Heart rate at First encounterHeart rate 1st enctrHeart rateHRTRATE.ATOMFirst Heart rate in EncounterNRatEnctr^frst

Frequently asked questions

Code details

Code11328-2
SystemLOINC
Display nameHeart rate at First encounter
DescriptionHeart rate
Short nameHeart rate 1st enctr
ComponentHeart rate
PropertyNRat
TimingEnctr^frst
System (specimen)Arterial system
ScaleQn
ClassHRTRATE.ATOM
Example unitsbeats/min
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.42

Consumer names

First Heart rate in Encounter

Part names

Heart rateNRatEnctr^frstArterial systemQnNumber 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 11328-2 | HealthAssure