D21Header code — not billable
Other benign neoplasms of connective and other soft tissue
- Chapter
- 2. Neoplasms
- Category
- D21
- Effective date
- October 1, 2026
Related codes in category D21
D21.0Benign neoplasm of connctv/soft tiss of head, face and neckYesD21.1Benign neoplm of connctv/soft tiss of upper limb, inc shldrD21.10Ben neoplm of connctv/soft tiss of unsp upr limb, inc shldrYesD21.11Ben neoplm of connctv/soft tiss of r upper limb, inc shldrYesD21.12Ben neoplm of connctv/soft tiss of left upr limb, inc shldrYesD21.2Benign neoplasm of connctv/soft tiss of lower limb, inc hipD21.20Ben neoplm of connctv/soft tiss of unsp lower limb, inc hipYesD21.21Ben neoplm of connctv/soft tiss of right lower limb, inc hipYesD21.22Ben neoplm of connctv/soft tiss of left lower limb, inc hipYesD21.3Benign neoplasm of connective and oth soft tissue of thoraxYesD21.4Benign neoplasm of connective and oth soft tissue of abdomenYesD21.5Benign neoplasm of connective and oth soft tissue of pelvisYes
Frequently asked questions
What is ICD-10 code D21?
D21 is an ICD-10-CM diagnosis code for Other benign neoplasms of connective and other soft tissue.
Is D21 a billable code?
No. D21 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is D21 in?
D21 falls under Chapter 2: Neoplasms.
When did D21 become effective?
D21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to D21?
D21 belongs to category D21, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.