C78.31 ICD-10-CM Code: Secondary malignant neoplasm of larynx
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
C78.31Secondary malignant neoplasm of larynx
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where C78.31 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
- 3
Category C78
Secondary malignant neoplasm of respiratory and digestive organs
- 4
Subcategory C78.3
Secondary malignant neoplasm of other and unspecified respiratory organs
- 5
Code C78.31
Secondary malignant neoplasm of larynx
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for C78.31.
Code first
No “code first” instruction is listed for C78.31.
Use additional code
No “use additional code” instruction is listed for C78.31.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for C78.31.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C78.31.
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 C78.31 mean?
C78.31 is the FY 2027 U.S. ICD-10-CM code for “Secondary malignant neoplasm of larynx.”
Is C78.31 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, C78.31 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 C78.31 located in ICD-10-CM?
C78.31 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 C78, Secondary malignant neoplasm of respiratory and digestive organs and subcategory C78.3, Secondary malignant neoplasm of other and unspecified respiratory organs.
What coding notes are listed for C78.31?
No inclusion terms are listed for C78.31 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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