Collaborative Stage for TNM 7 - Revised 08/22/2010  [ Schema ]

MelanomaConjunctiva

CS Site-Specific Factor 3
Grade - Melanoma Origin

CodeDescription
020Grade 2 
Primary acquired melanosis (PAM) with cellular atypia (epithelial disease only)
Confined to epithelium
030Grade 3 
PAM with epithelial cellular atypia and invasive melanoma
040Grade 4 
De novo malignant melanoma
888OBSOLETE DATA CONVERTED V0200
See code 988

Not applicable for this site
988Not applicable:  Information not collected for this site-specific factor
(May include cases converted from code 888 used in CSv1 for "Not applicable" or when the item was not collected.  If this item is  required to derive T, N, M, or any stage, use of code 988 may result in an error.)
998No pathologic examination of primary site tumor
999Grade X
Unknown or no information
Not documented in patient record