D49
⚠ Non-billable
Neoplasms of unspecified behavior
ICD-10-CM · FY2026 · Neoplasms
Code
D49
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 D49?
ICD-10-CM code D49 represents Neoplasms of unspecified behavior. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D49 billable?
No. D49 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is D49 in?
D49 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D49 category
D49.0
Neoplasm of unspecified behavior of digestive system
Billable
D49.1
Neoplasm of unspecified behavior of respiratory system
Billable
D49.2
Neoplasm of unspecified behavior of bone, soft tissue, and skin
Billable
D49.3
Neoplasm of unspecified behavior of breast
Billable
D49.4
Neoplasm of unspecified behavior of bladder
Billable
D49.5
Neoplasm of unspecified behavior of other genitourinary organs
Non-billable
D49.6
Neoplasm of unspecified behavior of brain
Billable
D49.7
Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system
Billable
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