Short answer · Medically reviewed summary · Last updated: 2026-05-08
The primary ICD-10 code for malignant neoplasm of the stomach is C16, while the corresponding ICD-9 code is 151. These codes are used globally to classify stomach cancer in medical records, billing, and clinical research databases. What are the specific ICD-10 sub-classifications for stomach cancer? While C16 is the general category for stomach cancer, clinicians use more specific sub-codes to identify the exact anatomical location of the tumor.
The primary ICD-10 code for malignant neoplasm of the stomach is C16, while the corresponding ICD-9 code is 151. These codes are used globally to classify stomach cancer in medical records, billing, and clinical research databases.
While C16 is the general category for stomach cancer, clinicians use more specific sub-codes to identify the exact anatomical location of the tumor. These include C16.0 for the cardia, C16.1 for the fundus, C16.2 for the body, C16.3 for the antrum, and C16.4 for the pylorus. Identifying the precise location of stomach cancer is essential for determining appropriate surgical approaches and treatment protocols.
Medical coding for stomach cancer relies on the site of the primary lesion. Accurate coding is vital for tracking the prevalence of the disease, which affects approximately 1 in 111 people in the United States over their lifetime. At DiseaseMaps.org, 13 community members have shared their experiences, providing a unique perspective on navigating the complexities of a stomach cancer diagnosis and the associated clinical documentation.
Diagnosis often involves a combination of imaging and tissue analysis. Healthcare providers typically use the following methods to confirm stomach cancer:
Medical disclaimer: This information is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment from a qualified healthcare provider.