Glossary Term

MCAS

A shorthand for mast cell activation concerns that some chronic illness patients include in their provider search.

Definition

MCAS is a common shorthand used by patients who are looking for providers that mention mast cell activation related concerns in a broader chronic illness context. On this site, it is used as a specialty filter when providers include it in their stated focus areas.

Why it matters here

As with any search term here, it is best used alongside location, telemedicine, or care-model filters.