Billable / Specific Code
ICD-10-CM C7A.1 is the diagnosis code for Malignant poorly differentiated neuroendocrine tumors. This code falls under the section "Malignant neuroendocrine tumors" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where C7A.1 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, C7A.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
C7A.1 is the ICD-10-CM diagnosis code for "Malignant poorly differentiated neuroendocrine tumors". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of C7A.1 is C7A ("Malignant neuroendocrine tumors"). C7A.1 provides a more specific classification within this category.
C7A.1 is located in Section C7A — "Malignant neuroendocrine tumors" within Chapter 2 of the ICD-10-CM Tabular List.
Use C7A.1 when the patients documented diagnosis matches "Malignant poorly differentiated neuroendocrine tumors" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Malignant poorly differentiated neuroendocrine tumors is C7A.1.
Yes, C7A.1 can be used as a primary diagnosis code since it is billable and specific.
C7A.1 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, C7A.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.