C80.0 ICD-10-CM Code: Disseminated malignant neoplasm, unspecified
C80.0 is the billable ICD-10-CM code for “Disseminated malignant neoplasm, unspecified” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
C80.0Disseminated malignant neoplasm, unspecified
ICD-10-CM diagnosis code · United States clinical modification
Where C80.0 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
- 3
Category C80
Malignant neoplasm without specification of site
- 4
Code C80.0
Disseminated malignant neoplasm, unspecified
Notes for this code
Inclusion terms
- Carcinomatosis NOS
- Generalized cancer, unspecified site (primary) (secondary)
- Generalized malignancy, unspecified site (primary) (secondary)
Code first
No “code first” instruction is listed for C80.0.
Use additional code
No “use additional code” instruction is listed for C80.0.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for C80.0.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C80.0.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
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.
Frequently asked questions
What does ICD-10-CM code C80.0 mean?
C80.0 is the FY 2027 U.S. ICD-10-CM code for “Disseminated malignant neoplasm, unspecified.”
Is C80.0 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, C80.0 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is C80.0 located in ICD-10-CM?
C80.0 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80) (C76–C80), under category C80, Malignant neoplasm without specification of site.
What coding notes are listed for C80.0?
Its listed inclusion terms are Carcinomatosis NOS; Generalized cancer, unspecified site (primary) (secondary); Generalized malignancy, unspecified site (primary) (secondary). No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.