D16.21
✓ Billable
Benign neoplasm of long bones of right lower limb
ICD-10-CM · FY2026 · Neoplasms
Code
D16.21
System
ICD-10-CM
Billable
Yes — valid for submission
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 D16.21?
ICD-10-CM code D16.21 represents Benign neoplasm of long bones of right lower limb. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D16.21 billable?
Yes. D16.21 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is D16.21 in?
D16.21 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D16 category
D16
Benign neoplasm of bone and articular cartilage
Non-billable
D16.0
Benign neoplasm of scapula and long bones of upper limb
Non-billable
D16.1
Benign neoplasm of short bones of upper limb
Non-billable
D16.2
Benign neoplasm of long bones of lower limb
Non-billable
D16.3
Benign neoplasm of short bones of lower limb
Non-billable
D16.4
Benign neoplasm of bones of skull and face
Billable
D16.5
Benign neoplasm of lower jaw bone
Billable
D16.6
Benign neoplasm of vertebral column
Billable
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