D21.3: Benign neoplasm of connective and other soft tissue of thorax
D21.3 is a billable, specific ICD-10-CM code for benign neoplasm of connective and other soft tissue of thorax. It is valid for submission on a claim.
Check D21.3 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Benign neoplasm of axilla
- Benign neoplasm of diaphragm
- Benign neoplasm of great vessels
Excludes1 inherited from the categories above D21.3
A category’s note binds every code beneath it.
Written on D21: Other benign neoplasms of connective and other soft tissue
- 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.-)
Other codes that can never be billed with D21.3
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
D21.3 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56346Billing and Coding: Removal of Benign and Malignant Skin Lesions
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56695Billing and Coding: Implantable Infusion Pump
- A57452Billing and Coding: Peripheral Nerve Blocks
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under D21
- D21.0Benign neoplasm of connective and other soft tissue of head, face and neck
- D21.1Benign neoplasm of connective and other soft tissue of upper limb, including shoulder
- D21.2Benign neoplasm of connective and other soft tissue of lower limb, including hip
- D21.4Benign neoplasm of connective and other soft tissue of abdomen
- D21.5Benign neoplasm of connective and other soft tissue of pelvis
- D21.6Benign neoplasm of connective and other soft tissue of trunk, unspecified
- D21.9Benign neoplasm of connective and other soft tissue, unspecified