
Mixed Connective Tissue Disease
MCTD
📋Overview
Mixed Connective Tissue Disease (MCTD) is a systemic autoimmune disorder characterized by overlapping features of several connective tissue diseases, primarily systemic lupus erythematosus, systemic sclerosis, and polymyositis. It is identified by the presence of specific autoantibodies, especially anti-U1 ribonucleoprotein (RNP) antibodies. MCTD is considered a distinct clinical entity rather than a synonym or legacy term.
Medical codes (for reference)
UMLS CUI: C0026272ICD-10-CM
M35.1
MeSH
D008947
SNOMED CT (US)
398049005398021003
Codes are provided for reference and interoperability. They are not a diagnosis.
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