D21: Other benign neoplasms of connective and other soft tissue
Codes under D21 (Other benign neoplasms of connective and other soft tissue). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D21.0 | Benign neoplasm of connective and other soft tissue of head, face and neck | ✓ |
| D21.0 | Benign neoplasm of connective and other soft tissue of head, face and neck | ✓ |
| D21.1 | Benign neoplasm of connective and other soft tissue of upper limb, including shoulder | — |
| D21.1 | Benign neoplasm of connective and other soft tissue of upper limb, including shoulder | — |
| D21.2 | Benign neoplasm of connective and other soft tissue of lower limb, including hip | — |
| D21.2 | Benign neoplasm of connective and other soft tissue of lower limb, including hip | — |
| D21.3 | Benign neoplasm of connective and other soft tissue of thorax | ✓ |
| D21.3 | Benign neoplasm of connective and other soft tissue of thorax | ✓ |
| D21.4 | Benign neoplasm of connective and other soft tissue of abdomen | ✓ |
| D21.4 | Benign neoplasm of connective and other soft tissue of abdomen | ✓ |
| D21.5 | Benign neoplasm of connective and other soft tissue of pelvis | ✓ |
| D21.5 | Benign neoplasm of connective and other soft tissue of pelvis | ✓ |
| D21.6 | Benign neoplasm of connective and other soft tissue of trunk, unspecified | ✓ |
| D21.6 | Benign neoplasm of connective and other soft tissue of trunk, unspecified | ✓ |
| D21.9 | Benign neoplasm of connective and other soft tissue, unspecified | ✓ |
| D21.9 | Benign neoplasm of connective and other soft tissue, unspecified | ✓ |
| D21.10 | Benign neoplasm of connective and other soft tissue of unspecified upper limb, including shoulder | ✓ |
| D21.10 | Benign neoplasm of connective and other soft tissue of unspecified upper limb, including shoulder | ✓ |
| D21.11 | Benign neoplasm of connective and other soft tissue of right upper limb, including shoulder | ✓ |
| D21.11 | Benign neoplasm of connective and other soft tissue of right upper limb, including shoulder | ✓ |
| D21.12 | Benign neoplasm of connective and other soft tissue of left upper limb, including shoulder | ✓ |
| D21.12 | Benign neoplasm of connective and other soft tissue of left upper limb, including shoulder | ✓ |
| D21.20 | Benign neoplasm of connective and other soft tissue of unspecified lower limb, including hip | ✓ |
| D21.20 | Benign neoplasm of connective and other soft tissue of unspecified lower limb, including hip | ✓ |
| D21.21 | Benign neoplasm of connective and other soft tissue of right lower limb, including hip | ✓ |
| D21.21 | Benign neoplasm of connective and other soft tissue of right lower limb, including hip | ✓ |
| D21.22 | Benign neoplasm of connective and other soft tissue of left lower limb, including hip | ✓ |
| D21.22 | Benign neoplasm of connective and other soft tissue of left lower limb, including hip | ✓ |
Frequently asked questions
What is ICD-10-CM code D21?
D21 is an ICD-10-CM category covering Other benign neoplasms of connective and other soft tissue. It contains 28 more specific diagnosis codes, 24 of which are billable.
Is D21 a billable code?
No — D21 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example D21.0 — Benign neoplasm of connective and other soft tissue of head, face and neck). 24 of the 28 codes under D21 are billable.
What codes fall under D21?
D21 includes D21.0, D21.0, D21.1, D21.1, D21.2, plus 23 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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