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SEER Inquiry System - Report
Produced: 06/18/2026 5:05 AM
Question 20031185
Inquiry Details
References:
ICD-O-3, 50
Question:
Primary Site: How is this field coded for a mass involving the gastroesophageal junction and lower third of the esophagus? See Description.
Discussion:
We have an EGD report describing an ulcerated and infiltrative circumferential non-bleeding 10 cm. mass of malignant appearance found at the gastro-esophageal junction and lower third of the esophagus. The mass caused a partial obstruction. Biopsies were taken from the the gastroesophageal junction and lower third of esophagus. Pathologic diagnosis: Adenocarcinoma. Would this be coded C26.8?
Answer:
Search for a statement indicating the site of origin. If the site of origin cannot be determined, and there is evidence of Barrett's esophagus, code the topography in the example above to C15.5 [Lower third of esophagus]. If there is no evidence of Barrett's esophagus, assign code C16.0 [Gastroesophageal junction]. Either C15.5 or C16.0 would be preferable to C26.8, which is very non-specific and includes GI tract, pancreas and biliary tract.
Cancer Site Category:
N/A
Data Item Category:
Primary site
Other Category:
N/A
Year:
2003
