U.S. ICD-10-CM · FY 2027

C7A ICD-10-CM Code: Malignant neuroendocrine tumors

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

C7A

Malignant neuroendocrine tumors

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where C7A sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Malignant neuroendocrine tumors (C7A)

  3. 3

    Category C7A

    Malignant neuroendocrine tumors

  4. 4

    Code C7A

    Malignant neuroendocrine tumors

More specific choices

Codes under C7A

C7A is a non-billable category. Choose the child code that best matches the documented diagnosis.

C7A.0

Malignant carcinoid tumors

C7A.1

Malignant poorly differentiated neuroendocrine tumors

C7A.8

Other malignant neuroendocrine tumors

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for C7A.

Code first

No “code first” instruction is listed for C7A.

Use additional code

  • code to identify any associated endocrine syndrome, such as:
  • carcinoid syndrome (E34.00)

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for C7A.

Excludes2

Conditions not included here that may be reported separately when present.

  • malignant pancreatic islet cell tumors (C25.4)
  • Merkel cell carcinoma (C4A.-)

Transparency

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.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code C7A mean?

C7A is the FY 2027 U.S. ICD-10-CM code for “Malignant neuroendocrine tumors.”

Is C7A a billable or specific ICD-10-CM code?

No. C7A 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 C7A located in ICD-10-CM?

C7A is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neuroendocrine tumors (C7A) (C7A–C7A), under category C7A, Malignant neuroendocrine tumors.

What coding notes are listed for C7A?

No inclusion terms are listed for C7A in this reference record. No code-first instruction is listed. Additional-code instructions: code to identify any associated endocrine syndrome, such as:; carcinoid syndrome (E34.00). No Excludes1 note is listed. Excludes2 notes: malignant pancreatic islet cell tumors (C25.4); Merkel cell carcinoma (C4A.-).

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