LOINC Code 76274-0: Ventilation-perfusion index Respiratory system

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 Ventilation-perfusion index. 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

What it does not mean

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

Key facts

• Ventilation-perfusion index Respiratory system
• Ventilation-perfusion index
• Ratio of alveolar ventilation and gas component to pulmonary capillary blood flow. [IEEE]
• Breathing; Lung; Lungs; PF; Point in time; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; RS; Volume ratio; VQI

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

Frequently asked questions