ICD-10-CM · Chapter 2

D21..3 Benign neoplasm of connective and other soft tissue of thorax

Billable

← D21 — Other benign neoplasms of connective and other soft tissue Chapter 2: C00-D49

Includes

Benign neoplasm of axilla
Benign neoplasm of diaphragm
Benign neoplasm of great vessels

Excludes 1 (cannot be coded together)

benign neoplasm of heart (D15.1)
benign neoplasm of mediastinum (D15.2)
benign neoplasm of thymus (D15.0)

Last reviewed: September 2026