D21
⚠ Non-billable
Other benign neoplasms of connective and other soft tissue
ICD-10-CM · FY2026 · Neoplasms
Code
D21
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D21?
ICD-10-CM code D21 represents Other benign neoplasms of connective and other soft tissue. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D21 billable?
No. D21 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is D21 in?
D21 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D21 category
D21.0
Benign neoplasm of connective and other soft tissue of head, face and neck
Billable
D21.1
Benign neoplasm of connective and other soft tissue of upper limb, including shoulder
Non-billable
D21.2
Benign neoplasm of connective and other soft tissue of lower limb, including hip
Non-billable
D21.3
Benign neoplasm of connective and other soft tissue of thorax
Billable
D21.4
Benign neoplasm of connective and other soft tissue of abdomen
Billable
D21.5
Benign neoplasm of connective and other soft tissue of pelvis
Billable
D21.6
Benign neoplasm of connective and other soft tissue of trunk, unspecified
Billable
D21.9
Benign neoplasm of connective and other soft tissue, unspecified
Billable
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