C7A
Non-Billable

Malignant neuroendocrine tumors

Non-Billable / Non-Specific Code

What is Malignant neuroendocrine tumors?

ICD-10-CM C7A is the diagnosis code for Malignant neuroendocrine tumors. This code falls under the section "Malignant neuroendocrine tumors" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

â„šī¸ Excludes2

Coding Guidelines for C7A

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in C7A. If the patient has both, code each condition separately:

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

ICD-10-CM Code Hierarchy

Understanding where C7A sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeC7A — Malignant neuroendocrine tumors
Sub-Codes (3)
Sub-Codes 3 entries
C7A.0Malignant carcinoid tumorsNon-BillableC7A.00Malignant carcinoid tumor of unspecified siteBillableC7A.01Malignant carcinoid tumors of the small intestineNon-BillableC7A.010Malignant carcinoid tumor of the duodenumBillableC7A.011Malignant carcinoid tumor of the jejunumBillableC7A.012Malignant carcinoid tumor of the ileumBillableC7A.019Malignant carcinoid tumor of the small intestine, unspecified portionBillableC7A.02Malignant carcinoid tumors of the appendix, large intestine, and rectumNon-BillableC7A.020Malignant carcinoid tumor of the appendixBillableC7A.021Malignant carcinoid tumor of the cecumBillableC7A.022Malignant carcinoid tumor of the ascending colonBillableC7A.023Malignant carcinoid tumor of the transverse colonBillableC7A.024Malignant carcinoid tumor of the descending colonBillableC7A.025Malignant carcinoid tumor of the sigmoid colonBillableC7A.026Malignant carcinoid tumor of the rectumBillableC7A.029Malignant carcinoid tumor of the large intestine, unspecified portionBillableC7A.09Malignant carcinoid tumors of other sitesNon-BillableC7A.090Malignant carcinoid tumor of the bronchus and lungBillableC7A.091Malignant carcinoid tumor of the thymusBillableC7A.092Malignant carcinoid tumor of the stomachBillableC7A.093Malignant carcinoid tumor of the kidneyBillableC7A.094Malignant carcinoid tumor of the foregut, unspecifiedBillableC7A.095Malignant carcinoid tumor of the midgut, unspecifiedBillableC7A.096Malignant carcinoid tumor of the hindgut, unspecifiedBillableC7A.098Malignant carcinoid tumors of other sitesBillableC7A.1Malignant poorly differentiated neuroendocrine tumorsBillableC7A.8Other malignant neuroendocrine tumorsBillable
Related Codes

Frequently Asked Questions

Is C7A a billable ICD-10-CM code?

No, C7A is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does C7A mean?

C7A is the ICD-10-CM diagnosis code for "Malignant neuroendocrine tumors". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is C7A in?

C7A is located in Section C7A — "Malignant neuroendocrine tumors" within Chapter 2 of the ICD-10-CM Tabular List.

What are the sub-codes of C7A?

C7A has 3 sub-code(s) that provide more specific detail: C7A.0, C7A.1, C7A.8.

When should I use C7A?

Use C7A when the patients documented diagnosis matches "Malignant neuroendocrine tumors" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Malignant neuroendocrine tumors?

The ICD-10-CM code for Malignant neuroendocrine tumors is C7A.

Can C7A be used for primary diagnosis?

No, C7A is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is C7A in?

C7A is in Chapter 2 of the ICD-10-CM Tabular List.

Is C7A valid for 2026?

Yes, C7A is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousC79.9Secondary malignant neoplasm of unspecified siteNext →C7A.0Malignant carcinoid tumors
Code Details
C7A
Malignant neuroendocrine tumors
Non-Billable / Non-Specific Code
2 — Neoplasms (C00-D49)
C7A — Malignant neuroendocrine tumors
2026 ICD-10-CM