M35.81 Multisystem inflammatory syndrome
Instructional Notes:
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M35.81
Description: Multisystem inflammatory syndrome
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)
Inclusion Term:
- MIS-A
- MIS-C
- Multisystem inflammatory syndrome in adults
- Multisystem inflammatory syndrome in children
- Pediatric inflammatory multisystem syndrome
- PIMS
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)']
↓
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M35.8
Description: Other specified systemic involvement of connective tissue
↓
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M35
Description: Other systemic involvement of connective tissue
Exclude1:
- reactive perforating collagenosis (L87.1)
↓
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M30-M36
Description: Systemic connective tissue disorders (M30-M36)
Exclude1:
- autoimmune disease, single organ or single cell-type -code to relevant condition category
Include:
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
↓
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M00-M99
Description: Diseases of the musculoskeletal system and connective tissue
Exclude2:
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Notes:
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition