D72.18 vs D72.824
D72.18 (Eosinophilia in diseases classified elsewhere) compared with D72.824 (Basophilia), 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. D72.18 carries an Excludes1 note covering D72.824: “basophilia (D72.824)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. D72.824 carries an Excludes1 note covering D72.18: “eosinophilia (D72.1)”
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
| D72.18Eosinophilia in diseases classified elsewhere | D72.824Basophilia | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | D50-D89 — Diseases of the Blood and Blood-forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) | D50-D89 — Diseases of the Blood and Blood-forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) |
| Definition | Eosinophilia in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (D72.18). | Basophilia is a billable ICD-10-CM diagnosis code (D72.824). |
| Code first | underlying disease, such as: chronic myelomonocytic leukemia (C93.1-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources