LOINCActiveBoth

LOINC Code 76174-2: Respiratory rate by Pulse oximetry.plethysmograph

76174-2 is a LOINC code used to identify Respiratory rate by Pulse oximetry.plethysmograph 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 Breaths. It is commonly used with the system or sample type Respiratory 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 Breaths. It is commonly used with the system or sample type Respiratory 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
  • Order vs observation: Both
  • Method: Pulse oximetry.plethysmograph

What it does not mean

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

Key facts

Respiratory rate by Pulse oximetry.plethysmograph
Breaths
Rate of breathing; methodSpO2 plethysmography. [IEEE]
Breathing; Count/time; Lung; Lungs; nRate; Number rate; Number Rate = Count/Time; Point in time; PULMONARY; Pulmonology; PulseOx; PulseOx.pleth; QNT; Quan; Quant; Quantitative; Random; Respiratory; Respiratory rate; RS; SpO2

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

Respiratory rate by Pulse oximetry.plethysmographResp rate PulseOx.plethBreathsPULMNRatPtRespiratory system

Frequently asked questions

Code details

Code76174-2
SystemLOINC
Display nameRespiratory rate by Pulse oximetry.plethysmograph
DescriptionBreaths
Short nameResp rate PulseOx.pleth
ComponentBreaths
PropertyNRat
TimingPt
System (specimen)Respiratory system
ScaleQn
MethodPulse oximetry.plethysmograph
ClassPULM
Example unitsbreaths/min
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.58

Part names

BreathsNRatPtRespiratory systemQnPulse oximetry.plethysmographNumber RatePoint 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 76174-2 | HealthAssure