ICD-10-CM · Chapter 2 · C00-D49
D21 Other benign neoplasms of connective and other soft tissue
Includes
- benign neoplasm of blood vessel
- benign neoplasm of bursa
- benign neoplasm of cartilage
- benign neoplasm of fascia
- benign neoplasm of fat
- benign neoplasm of ligament, except uterine
- benign neoplasm of lymphatic channel
- benign neoplasm of muscle
- benign neoplasm of synovia
- benign neoplasm of tendon (sheath)
- benign stromal tumors
Excludes 1 (cannot be coded together)
- benign neoplasm of articular cartilage (D16.-)
- benign neoplasm of cartilage of larynx (D14.1)
- benign neoplasm of cartilage of nose (D14.0)
- benign neoplasm of connective tissue of breast (D24.-)
- benign neoplasm of peripheral nerves and autonomic nervous system (D36.1-)
- benign neoplasm of peritoneum (D20.1)
- benign neoplasm of retroperitoneum (D20.0)
- benign neoplasm of uterine ligament, any (D28.2)
- benign neoplasm of vascular tissue (D18.-)
- hemangioma (D18.0-)
- lipomatous neoplasm (D17.-)
- lymphangioma (D18.1)
- uterine leiomyoma (D25.-)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| D21..0 | Benign neoplasm of connective and other soft tissue of head, face and neck | Yes |
| D21..1 | Benign neoplasm of connective and other soft tissue of upper limb, including shoulder | No |
| D21..10 | Benign neoplasm of connective and other soft tissue of unspecified upper limb, including shoulder | Yes |
| D21..11 | Benign neoplasm of connective and other soft tissue of right upper limb, including shoulder | Yes |
| D21..12 | Benign neoplasm of connective and other soft tissue of left upper limb, including shoulder | Yes |
| D21..2 | Benign neoplasm of connective and other soft tissue of lower limb, including hip | No |
| D21..20 | Benign neoplasm of connective and other soft tissue of unspecified lower limb, including hip | Yes |
| D21..21 | Benign neoplasm of connective and other soft tissue of right lower limb, including hip | Yes |
| D21..22 | Benign neoplasm of connective and other soft tissue of left lower limb, including hip | Yes |
| D21..3 | Benign neoplasm of connective and other soft tissue of thorax | Yes |
| D21..4 | Benign neoplasm of connective and other soft tissue of abdomen | Yes |
| D21..5 | Benign neoplasm of connective and other soft tissue of pelvis | Yes |
| D21..6 | Benign neoplasm of connective and other soft tissue of trunk, unspecified | Yes |
| D21..9 | Benign neoplasm of connective and other soft tissue, unspecified | Yes |
Last reviewed: September 2026