LOINCActive

LOINC Code 18686-6: First Respiration rate Set

18686-6 is a LOINC code used to identify First Respiration rate Set 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 Respiration rate. 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 Respiration rate. 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

What it does not mean

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

Key facts

  • First Respiration rate Set
  • Respiration rate
  • 1st; ATTACH; ATTACH.ED; Complex; DEEDS; Emergency Department; EMERGENCY DEPARTMENT (DEEDS); Encounter; Resp rate

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

First Respiration rate SetRespiration rateATTACH.EDCmplxEnctr^frst^PatientSet

Frequently asked questions

Code details

Code18686-6
SystemLOINC
Display nameFirst Respiration rate Set
DescriptionRespiration rate
ComponentRespiration rate
PropertyCmplx
TimingEnctr^frst
System (specimen)^Patient
ScaleSet
ClassATTACH.ED
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Part names

Respiration rateCmplxEnctr^frst^PatientSetComplex

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 18686-6 | HealthAssure