Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Mast Cell Activation Syndrome MeSH Descriptor Data 2025


MeSH Heading
Mast Cell Activation Syndrome
Tree Number(s)
C20.762.500
Unique ID
D000090267
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D000090267
Scope Note
A clinically and genetically heterogeneous group of mast cell disorders in which there is aberrant release of mast cell mediators with little to no accompanying proliferation of MAST CELLS.
Entry Term(s)
Idiopathic Mast Cell Activation Disorder
Mast Cell Activation Syndromes
Non-Clonal Mast Cell Activation Disorder
Non-Clonal Mast Cell Activation Syndrome
Nonclonal Mast Cell Activation Syndrome
nc-MCAS
Public MeSH Note
2022; for MAST CELL ACTIVATION SYNDROME see MASTOCYTOSIS 2018-2021
History Note
2022; for MAST CELL ACTIVATION SYNDROME use MASTOCYTOSIS 2018-2021
Date Established
2022/01/01
Date of Entry
2021/07/09
Revision Date
2021/07/07
Mast Cell Activation Syndrome Preferred
page delivered in 0.149s