D21 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Other benign neoplasms of connective and other soft tissue.
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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
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.-)
Benign neoplasm of connective and other soft tissue of head, face and neck
Benign neoplasm of connective and other soft tissue of upper limb, including shoulder
Benign neoplasm of connective and other soft tissue of lower limb, including hip
Benign neoplasm of connective and other soft tissue of thorax
Benign neoplasm of connective and other soft tissue of abdomen
Benign neoplasm of connective and other soft tissue of pelvis
Benign neoplasm of connective and other soft tissue of trunk, unspecified
Benign neoplasm of connective and other soft tissue, unspecified
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