LOINCActiveObservation

LOINC Code 57656-1: Flow trigger setting Ventilator

57656-1 is a LOINC code used to identify Flow trigger setting Ventilator 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 Flow trigger setting. It is commonly used with the system or sample type Ventilator.

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 Flow trigger setting. It is commonly used with the system or sample type Ventilator.

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: Observation

What it does not mean

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

Key facts

  • Flow trigger setting Ventilator
  • Flow trigger setting
  • This is the change in flow, from the base flow through the ventilator circuit, that must be detected by the ventilator to trigger inspiration.
  • Dynamic; Flow; Flow by; Flow triggered; Lung; Point in time; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; Volume Rate; vRate

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

Flow trigger setting VentilatorFlow trigger setting VentFlow trigger settingPULMVRatPtVentilator

Frequently asked questions

Code details

Code57656-1
SystemLOINC
Display nameFlow trigger setting Ventilator
DescriptionFlow trigger setting
Short nameFlow trigger setting Vent
ComponentFlow trigger setting
PropertyVRat
TimingPt
System (specimen)Ventilator
ScaleQn
ClassPULM
Example unitsL/min
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.70

Part names

Flow trigger settingVRatPtVentilatorQnVolume 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 57656-1 | HealthAssure