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M35.81 Multisystem inflammatory syndrome
BackM35Other systemic involvement of connective tissueCategory10 →M35.0Sjögren syndromeCategory13 →M35.00Sjögren syndrome, unspecifiedCategoryM35.01Sjögren syndrome with keratoconjunctivitisCategoryM35.02Sjögren syndrome with lung involvementCategoryM35.03Sjögren syndrome with myopathyCategoryM35.04Sjögren syndrome with tubulo-interstitial nephropathyCategoryM35.05Sjögren syndrome with inflammatory arthritisCategoryM35.06Sjögren syndrome with peripheral nervous system involvementCategoryM35.07Sjögren syndrome with central nervous system involvementCategoryM35.08Sjögren syndrome with gastrointestinal involvementCategoryM35.09Sjögren syndrome with other organ involvementCategoryM35.0ASjögren syndrome with glomerular diseaseCategoryM35.0BSjögren syndrome with vasculitisCategoryM35.0CSjögren syndrome with dental involvementCategoryM35.1Other overlap syndromesCategoryM35.2Behçet's diseaseCategoryM35.3Polymyalgia rheumaticaCategoryM35.4Diffuse (eosinophilic) fasciitisCategoryM35.5Multifocal fibrosclerosisCategoryM35.6Relapsing panniculitis [Weber-Christian]CategoryM35.7Hypermobility syndromeCategoryM35.8Other specified systemic involvement of connective tissueCategory2 →M35.81Multisystem inflammatory syndromeCategoryM35.89Other specified systemic involvement of connective tissueCategoryM35.9Systemic involvement of connective tissue, unspecifiedCategory
CategoryCODABLE
M35.81
Multisystem inflammatory syndrome
EXAMPLES
MIS-A
MIS-C
Multisystem inflammatory syndrome in adults
Multisystem inflammatory syndrome in children
Pediatric inflammatory multisystem syndrome
PIMS
MIS-C
Multisystem inflammatory syndrome in adults
Multisystem inflammatory syndrome in children
Pediatric inflammatory multisystem syndrome
PIMS
CODING RULE
Code first: , if applicable, COVID-19 (U07.1)
Use additional code: code, if applicable, for:
exposure to COVID-19 or SARS-CoV-2 infection (Z20.822)
personal history of COVID-19 (Z86.16)
post COVID-19 condition (U09.9)
Code also: any associated complications such as:
acute hepatic failure (K72.0-)
acute kidney failure (N17.-)
acute myocarditis (I40.-)
acute respiratory distress syndrome (J80)
cardiac arrhythmia (I47-I49.-)
pneumonia due to COVID-19 (J12.82)
severe sepsis (R65.2-)
viral cardiomyopathy (B33.24)
viral pericarditis (B33.23)
Use additional code: code, if applicable, for:
exposure to COVID-19 or SARS-CoV-2 infection (Z20.822)
personal history of COVID-19 (Z86.16)
post COVID-19 condition (U09.9)
Code also: any associated complications such as:
acute hepatic failure (K72.0-)
acute kidney failure (N17.-)
acute myocarditis (I40.-)
acute respiratory distress syndrome (J80)
cardiac arrhythmia (I47-I49.-)
pneumonia due to COVID-19 (J12.82)
severe sepsis (R65.2-)
viral cardiomyopathy (B33.24)
viral pericarditis (B33.23)
- Chapter
- XIII · Diseases of the musculoskeletal system and connective tissue
- Section
- M30-M36
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.