LOINC Code 33453-2: Maximum expiratory resistance 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 Expiratory resistance.max. 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

What it does not mean

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

Key facts

• Maximum expiratory resistance Respiratory system
• Expiratory resistance.max
• Breathing; Fluid resistance; Largest; Lung; Lungs; Maximal; Maximum; Peak; Point in time; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Resist; Resistanc; Resistant; Resistent; Respiratory; RS

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