B51.0 vs D73.5
B51.0 (Plasmodium vivax malaria with rupture of spleen) compared with D73.5 (Infarction of spleen), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. D73.5 carries an Excludes1 note covering B51.0: “rupture of spleen due to Plasmodium vivax malaria (B51.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| B51.0Plasmodium vivax malaria with rupture of spleen | D73.5Infarction of spleen | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | D50-D89 — Diseases of the Blood and Blood-forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) |
| Definition | Plasmodium vivax malaria with rupture of spleen is a billable ICD-10-CM diagnosis code (B51.0). | Infarction of spleen is a billable ICD-10-CM diagnosis code (D73.5). |
| Includes | mixed infections of Plasmodium vivax with other Plasmodium species, except Plasmodium falciparum | Splenic rupture, nontraumatic Torsion of spleen |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources