ICD-10-CM Billable Code

C16.4

Malignant neoplasm of pylorus

Clinical Classification Guidelines

Inclusion Terms

  • Malignant neoplasm of prepylorus
  • Malignant neoplasm of pyloric canal

Medical Intelligence & Overview

Malignant neoplasm of the pylorus, also known as gastric cancer involving the pyloric region, is a type of stomach cancer located at the lower part of the stomach, near the small intestine. This area, called the pylorus, regulates the passage of food from the stomach to the small intestine. When cancer develops here, it can interfere with digestion and may spread to other parts of the body if not diagnosed and treated early. This article provides an overview of this condition, including its causes, symptoms, diagnosis, and possible treatments.

Causes & Symptoms

Clinical Causes: Genetic predisposition or family history of stomach cancer Infection with Helicobacter pylori bacteria Chronic gastritis or inflammation of the stomach lining Diet high in smoked, salted, or pickled foods Smoking and excessive alcohol consumption History of stomach polyps or previous gastric surgery Environmental factors such as exposure to certain chemicals

Key Symptoms: Unintentional weight loss Persistent abdominal pain or discomfort Nausea and vomiting, which may include blood Difficulty swallowing or feeling of fullness Loss of appetite Indigestion or heartburn Blood in stool or dark, tarry stools Swelling or a mass in the abdomen

Diagnostic & Treatment

Diagnosis Path: Endoscopy: using a thin, flexible tube with a camera to visualize the stomach and obtain tissue samples (biopsy) Imaging tests such as CT scans, ultrasound, or MRI to assess the extent of the tumor and check for spread Laboratory tests including blood work to evaluate overall health and look for signs of cancer

Treatment Protocols: Surgical removal of the tumor, which may involve partial or total gastrectomy (removal of part or all of the stomach) Chemotherapy to kill cancer cells or shrink tumors before surgery Radiation therapy to target specific areas and reduce tumor size Targeted therapy or immunotherapy for advanced cases, aiming to stimulate the body's immune response against cancer cells Supportive care to manage symptoms and improve quality of life

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is C16.4 a billable ICD-10 code?
Yes, C16.4 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report C16.4?
Clinical documentation must specify the nature of Malignant neoplasm of pylorus and any associated comorbidities for accurate reporting.

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Related Diagnosis Codes

Clinical Meta Tags

neoplasm malignant pylorus