D15.1 vs D21.3
D15.1 (Benign neoplasm of heart) compared with D21.3 (Benign neoplasm of connective and other soft tissue of thorax), 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. D15.1 carries an Excludes1 note covering D21.3: “benign neoplasm of great vessels (D21.3)”
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. D21.3 carries an Excludes1 note covering D15.1: “benign neoplasm of heart (D15.1)”
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
| D15.1Benign neoplasm of heart | D21.3Benign neoplasm of connective and other soft tissue of thorax | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Benign neoplasm of heart is a billable ICD-10-CM diagnosis code (D15.1). | Benign neoplasm of connective and other soft tissue of thorax is a billable ICD-10-CM diagnosis code (D21.3). |
| Includes | — | benign neoplasm of blood vessel benign neoplasm of bursa benign neoplasm of cartilage benign neoplasm of fascia |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources