Collaborative Stage Data Set - Revised 6/27/2013
Anus
Anus, Anal Canal, and Other Parts of Rectum
C21.0-C21.2, C21.8
- DISCONTINUED SITE-SPECIFIC FACTORS: SSF1
- C21.0 Anus, NOS (excluding skin of anus and perianal skin C44.5)
- C21.1 Anal canal
- C21.2 Cloacogenic zone
- C21.8 Overlapping lesion of rectum, anus and anal canal
- Note: Skin of anus is coded separately (C44.5).