D49 ICD-10-CM Code: Neoplasms of unspecified behavior
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
D49Neoplasms of unspecified behavior
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where D49 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Neoplasms of unspecified behavior (D49)
- 3
Category D49
Neoplasms of unspecified behavior
- 4
Code D49
Neoplasms of unspecified behavior
More specific choices
Codes under D49
D49 is a non-billable category. Choose the child code that best matches the documented diagnosis.
D49.0Neoplasm of unspecified behavior of digestive system
D49.1Neoplasm of unspecified behavior of respiratory system
D49.2Neoplasm of unspecified behavior of bone, soft tissue, and skin
D49.3Neoplasm of unspecified behavior of breast
D49.4Neoplasm of unspecified behavior of bladder
D49.5Neoplasm of unspecified behavior of other genitourinary organs
D49.6Neoplasm of unspecified behavior of brain
D49.7Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system
D49.8Neoplasm of unspecified behavior of other specified sites
D49.9Neoplasm of unspecified behavior of unspecified site
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for D49.
Code first
No “code first” instruction is listed for D49.
Use additional code
No “use additional code” instruction is listed for D49.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for D49.
Excludes2
Conditions not included here that may be reported separately when present.
- neoplasms of uncertain behavior (D37-D44, D48)
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code D49 mean?
D49 is the FY 2027 U.S. ICD-10-CM code for “Neoplasms of unspecified behavior.”
Is D49 a billable or specific ICD-10-CM code?
No. D49 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is D49 located in ICD-10-CM?
D49 is listed in Chapter 2, Neoplasms (C00-D49), within Neoplasms of unspecified behavior (D49) (D49–D49), under category D49, Neoplasms of unspecified behavior.
What coding notes are listed for D49?
No inclusion terms are listed for D49 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: neoplasms of uncertain behavior (D37-D44, D48).
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