B53.0 Plasmodium ovale malaria

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

Excludes1 (never code together)

• Plasmodium ovale with Plasmodium falciparum (B50.-)
• Plasmodium ovale with Plasmodium malariae (B52.-)
• Plasmodium ovale with Plasmodium vivax (B51.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 084.3 Ovale malaria

Code annotations containing back-references to B53.0

Back-references to B53.0

• Type 1 Excludes: B53.1 Malaria due to simian plasmodia ("Malaria due to simian plasmodia with Plasmodium ovale (B53.0)")

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 B53.0

• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › Plasmodium ovale
• Malaria, malarial (fever) › ovale
• Malaria, malarial (fever) › Plasmodium (P.) › ovale

Nearby codes

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