What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINC

LOINC Code 19977-8: Deprecated Maximum [Pressure] Trachea airway by Airway pressure monitor --at inspiration on ventilator

Name: LOINC Code 19977-8: Deprecated Maximum [Pressure] Trachea airway by Airway pressure monitor --at inspiration on ventilator
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:28.844Z

19977-8 is a LOINC code used to identify Deprecated Maximum [Pressure] Trachea airway by Airway pressure monitor --at inspiration on 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 Max^during inspiration on ventilator. It is commonly used with the system or sample type Trachea.airway.

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 Max^during inspiration on ventilator. It is commonly used with the system or sample type Trachea.airway.

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: DEPRECATED
Method: Airway pressure monitor

What it does not mean

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

Key facts

Deprecated Maximum [Pressure] Trachea airway by Airway pressure monitor --at inspiration on ventilator
Max^during inspiration on ventilator
APM; dur insp on vent; In; Insp; Inspiratory; Largest; Lung; Maximal; Maximum; Peak; Point in time; Pressure; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; TR; Tracheal

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

Deprecated Maximum [Pressure] Trachea airway by Airway pressure monitor --at inspiration on ventilatorDeprecated Max at insp on vent Trachea.aMax^during inspiration on ventilatorPULMPresPtTrachea.airway

Frequently asked questions

Code details

Code19977-8

SystemLOINC

Display nameDeprecated Maximum [Pressure] Trachea airway by Airway pressure monitor --at inspiration on ventilator

DescriptionMax^during inspiration on ventilator

Short nameDeprecated Max at insp on vent Trachea.a

ComponentMax^during inspiration on ventilator

PropertyPres

TimingPt

System (specimen)Trachea.airway

ScaleQn

MethodAirway pressure monitor

ClassPULM

StatusDEPRECATED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.50

Part names

Max^during inspiration on ventilatorPresPtTrachea.airwayQnAirway pressure monitorPressurePoint in time (spot)Trachea airway

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.