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Produced: 06/21/2026 10:47 PM
Question 20091006
Inquiry Details
References:
#1: ICD-O-3
#2: Atlas of Human Anatomy, 198. 3rd Edition, 2003
Question:
Primary site--Lung: What primary site code is used for bronchus intermedius?
Discussion:
Answer:
Assign code C340 [main bronchus].
The bronchus intermedius is the lower part of the main bronchus on the right side. The bronchus intermedius begins just below the point where the upper lobe bronchus branches off from the main bronchus. The bronchus intermedius branches into the middle lobe bronchus and the lower lobe bronchus.
Cancer Site Category:
Lung
Data Item Category:
Primary site
Other Category:
N/A
Year:
2009
