B53.1 Malaria due to simian plasmodia

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Excludes1 (never code together)

• Malaria due to simian plasmodia with Plasmodium falciparum (B50.-)
• Malaria due to simian plasmodia with Plasmodium malariae (B52.-)
• Malaria due to simian plasmodia with Plasmodium ovale (B53.0)
• Malaria due to simian plasmodia with Plasmodium vivax (B51.-)

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 084.4 Other malaria (approximate)

Code annotations containing back-references to B53.1

Back-references to B53

• Type 2 Excludes: J82 Pulmonary eosinophilia, not elsewhere classified ("pulmonary eosinophilia due to specified parasitic infection (B50-B83)")

Diagnosis Index entries for B53.1

• Malaria, malarial (fever) › Plasmodium (P.) › simian
• Monkey malaria
• Simian malaria

Nearby codes

• B53 Other specified malaria
• B53.0 Plasmodium ovale malaria
• B53.1 Malaria due to simian plasmodia (this code)
• B53.8 Other malaria, not elsewhere classified