2025
ICD-10-CM
Diagnosis
Code

D21 Other benign neoplasms of connective and other soft tissue

  • Non-billable
  • 2016–2025

D21 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: 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

Type 1 excludes

  • 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.-)

Codes

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    No changes

  10. 2016

    New code