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.

LOINCActiveBoth

LOINC Code 76104-9: Nitrogen [VFr/PPres] Gas delivery system.inspiratory limb --during inspiration

Name: LOINC Code 76104-9: Nitrogen [VFr/PPres] Gas delivery system.inspiratory limb --during inspiration
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:56.388Z

76104-9 is a LOINC code used to identify Nitrogen [VFr/PPres] Gas delivery system.inspiratory limb --during inspiration 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 Nitrogen^during inspiration. It is commonly used with the system or sample type Gas delivery system.inspiratory limb.

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 Nitrogen^during inspiration. It is commonly used with the system or sample type Gas delivery system.inspiratory limb.

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

What it does not mean

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

Key facts

Nitrogen [VFr/PPres] Gas delivery system.inspiratory limb --during inspiration
Nitrogen^during inspiration
Gas DS; Gas DS.IL; Gases; In; Insp; Inspiratory; Lung; N; N2; Nit; Point in time; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory

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

Nitrogen [VFr/PPres] Gas delivery system.inspiratory limb --during inspirationN2 during insp VFr/PPres Gas DS.ILNitrogen^during inspirationPULMVFr/PPresPtGas delivery system.inspiratory limb

Frequently asked questions

Code details

Code76104-9

SystemLOINC

Display nameNitrogen [VFr/PPres] Gas delivery system.inspiratory limb --during inspiration

DescriptionNitrogen^during inspiration

Short nameN2 during insp VFr/PPres Gas DS.IL

ComponentNitrogen^during inspiration

PropertyVFr/PPres

TimingPt

System (specimen)Gas delivery system.inspiratory limb

ScaleQn

ClassPULM

Example units%{vol}; mm[Hg]

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.56

Last changed2.56

Part names

Nitrogen^during inspirationVFr/PPresPtGas delivery system.inspiratory limbQnPoint 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.