LOINC Code 84420-9: 2-minute Walk Endurance Test - national percentile [NIH Toolbox]

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 2-minute Walk Endurance Test - national percentile. It is commonly used with the system or sample type ^Patient.

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: Observation
• Method: NIH Toolbox

What it does not mean

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

Key facts

• 2-minute Walk Endurance Test - national percentile [NIH Toolbox]
• 2-minute Walk Endurance Test - national percentile
• 2 min walk national prctl; 2-min walk test; II; Percentile; Point in time; QNT; Quan; Quant; Quantitative; Random

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