M35.81 Multisystem inflammatory syndrome

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

Code First

, if applicable, COVID-19 (U07.1)

Additional

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)

Applicable To

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)

MDC / MS-DRG Reference


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Sibling Codes


Parent Sibling Codes


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Code Title
M00-M99 Diseases of the musculoskeletal system and connective tissue (M00-M99)
M30-M36 Systemic connective tissue disorders (M30-M36)
M35 Other systemic involvement of connective tissue
M35.8 Other specified systemic involvement of connective tissue
M35.81 Multisystem inflammatory syndrome
Use Additional
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)

Applicable to
MIS-A
MIS-C
Multisystem inflammatory syndrome in adults
Multisystem inflammatory syndrome in children
Pediatric inflammatory multisystem syndrome
PIMS

Code First
, if applicable, COVID-19 (U07.1)

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)