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.

LOINCBoth

LOINC Code 39945-1: Deprecated Lung NM ventilation W radionuclide gaseous IH single breath

Name: LOINC Code 39945-1: Deprecated Lung NM ventilation W radionuclide gaseous IH single breath
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:26.654Z

39945-1 is a LOINC code used to identify Deprecated Lung NM ventilation W radionuclide gaseous IH single breath 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 Views ventilation^W radionuclide gaseous IH single breath. It is commonly used with the system or sample type Chest>Lung.

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 Views ventilation^W radionuclide gaseous IH single breath. It is commonly used with the system or sample type Chest>Lung.

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
Order vs observation: Both
Method: NM

What it does not mean

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

Key facts

Deprecated Lung NM ventilation W radionuclide gaseous IH single breath
Views ventilation^W radionuclide gaseous IH single breath
1 breath; Document; Films; Finding; Findings; Imaging; inhaled; Lung; Point in time; Pulmonary; Pulmonology; Rad; Radiology; Random; Respiratory; RN; RNC; Scan; Thorax; View; VWS; W RNC Gas IH; W RNC Gas IH SB

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 Lung NM ventilation W radionuclide gaseous IH single breathDeprecated Lung NM V W RNC Gas IH SBViews ventilation^W radionuclide gaseous IH single breathRADFindPtChest>Lung

Frequently asked questions

Code details

Code39945-1

SystemLOINC

Display nameDeprecated Lung NM ventilation W radionuclide gaseous IH single breath

DescriptionViews ventilation^W radionuclide gaseous IH single breath

Short nameDeprecated Lung NM V W RNC Gas IH SB

ComponentViews ventilation^W radionuclide gaseous IH single breath

PropertyFind

TimingPt

System (specimen)Chest>Lung

ScaleDoc

MethodNM

ClassRAD

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.58

Part names

Views ventilation^W radionuclide gaseous IH single breathFindPtChest>LungDocNMFindingPoint in time (spot)Lung

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.