D73.0 vs Q89.01
D73.0 (Hyposplenism) compared with Q89.01 (Asplenia (congenital)), 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. D73.0 carries an Excludes1 note covering Q89.01: “asplenia (congenital) (Q89.01)”
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
| D73.0Hyposplenism | Q89.01Asplenia (congenital) | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | D50-D89 — Diseases of the Blood and Blood-forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Hyposplenism is a billable ICD-10-CM diagnosis code (D73.0). | Asplenia (congenital) is a billable ICD-10-CM diagnosis code (Q89.01). |
| Includes | Atrophy 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