D21.0 Benign neoplasm of connective and other soft tissue of head, face and neck

Billable ICD-10-CM code, FY2026.

Applicable to

• Benign neoplasm of connective tissue of ear
• Benign neoplasm of connective tissue of eyelid

Excludes1 (never code together)

• benign neoplasm of connective tissue of orbit (D31.6-)

Applies from 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

Excludes1 (never code 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.-)

MS-DRG index

Defines the logic of DRG(s) 564-566 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 215.0 Other benign neoplasm of connective and other soft tissue of head, face, and neck

Code annotations containing back-references to D21.0

Back-references to D21.0

• Type 1 Excludes: D14.0 Benign neoplasm of middle ear, nasal cavity and accessory sinuses ("benign neoplasm of cartilage of ear (D21.0)")
• Type 1 Excludes: D16 Benign neoplasm of bone and articular cartilage ("benign neoplasm of connective tissue of ear (D21.0)")
• Type 1 Excludes: D16 Benign neoplasm of bone and articular cartilage ("benign neoplasm of connective tissue of eyelid (D21.0)")
• Type 1 Excludes: D31 Benign neoplasm of eye and adnexa ("benign neoplasm of connective tissue of eyelid (D21.0)")

Back-references to D21

• Type 1 Excludes: D16 Benign neoplasm of bone and articular cartilage ("benign neoplasm of synovia (D21.-)")
• Code First: M63 Disorders of muscle in diseases classified elsewhere ("neoplasm (C49.-, C79.89, D21.-, D48.1-)")

Nearby codes

• D21 Other benign neoplasms of connective and other soft tissue
• D21.0 Benign neoplasm of connective and other soft tissue of head, face and neck (this code)
• D21.1 Benign neoplasm of connective and other soft tissue of 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
• D21.12 Benign neoplasm of connective and other soft tissue of left upper limb, including shoulder
• D21.2 Benign neoplasm of connective and other soft tissue of lower limb, including hip