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M35.81
Billable

Multisystem inflammatory syndrome

Chapter 13: Diseases of the musculoskeletal system and connective tissue

Inclusion Terms

6 items
  • MIS-A
  • MIS-C
  • Multisystem inflammatory syndrome in adults
  • Multisystem inflammatory syndrome in children
  • Pediatric inflammatory multisystem syndrome
  • PIMS

Code First

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

Use Additional Code

4 items
  • 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)

Billable Code

M35.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Additional Information from Parent Codes

The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.

Excludes1

1 item

From M35:

  • reactive perforating collagenosis (L87.1)

Excludes2

10 items

From M00-M99:

  • 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

1 item

From M00-M99:

  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
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