LOINCActiveBoth

LOINC Code 100759-0: Inspiratory reserve [Volume] Respiratory system by Spirometry

100759-0 is a LOINC code used to identify Inspiratory reserve [Volume] Respiratory system by Spirometry 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 Inspiratory reserve. 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 Inspiratory reserve. 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: Spirometry

What it does not mean

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

Key facts

  • Inspiratory reserve [Volume] Respiratory system by Spirometry
  • Inspiratory reserve
  • Breathing; Lungs; Point in time; PULMONARY; QNT; Quan; Quant; Quantitative; Random; RS; Volume

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

Inspiratory reserve [Volume] Respiratory system by SpirometryInspiratory reserve vol spirometryInspiratory reservePULMVolPtRespiratory system

Frequently asked questions

Code details

Code100759-0
SystemLOINC
Display nameInspiratory reserve [Volume] Respiratory system by Spirometry
DescriptionInspiratory reserve
Short nameInspiratory reserve vol spirometry
ComponentInspiratory reserve
PropertyVol
TimingPt
System (specimen)Respiratory system
ScaleQn
MethodSpirometry
ClassPULM
Example unitsL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.73
Last changed2.73

Part names

Inspiratory reserveVolPtRespiratory systemQnSpirometryVolumePoint 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 100759-0 | HealthAssure