M35.1 is the ICD-10 code for Other overlap syndromes. It is a four-character subcategory of M35 (Other systemic involvement of connective tissue), the most specific level in the WHO edition. It belongs to the block M30–M36 (Systemic connective tissue disorders) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.
- Code type
- Subcategory (4 characters)
- Chapter
- XIII · M00–M99
- Classification
- WHO ICD-10, 2019 version
What M35.1 includes
Conditions and terms that are coded here.
- Mixed connective tissue disease
What M35.1 excludes
Conditions that look similar but belong under another code.
- polyangiitis overlap syndrome M30.8
M35.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M35.1Tilstand med elementer fra forskjellige syndromer
DM351Andet blandingssyndrom ved generaliseret bindevævssygdom
- DM351AMixed connective tissue disease
- DM351BVEXAS syndrom
M35.1Muu sekaoireinen oireyhtymä (overlap-oireyhtymä)
M35.1Sonstige Overlap-Syndrome
M35.1Autres syndromes de chevauchement
M35.1overige overgangssyndromen
M35.1Other overlap syndromes
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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