Collaborative Stage

Collaborative Stage for TNM 7 - Revised 11/12/2010 [ Schema ]

CS Site-Specific Factor 9
Mohs Layers

Note 1: Code the number of Mohs micrographic surgical layers required to clear the tumor, as stated on the operative report.
Note 2: Use codes 991, 992, and 997 only if the specific number of Mohs layers is not documented.

Code	Description
001-010	1-10 Mohs micrographic surgical layers required to clear tumor (Exact number of Mohs micrographic surgical layers required to clear tumor)
011	11 or more Mohs micrographic surgical layers required to clear tumor
988	Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 988 may result in an edit error.)
991	Less than 3 Mohs micrographic surgical layers required to clear tumor
992	Greater than 3 Mohs micrographic surgical layers required to clear tumor
997	Mohs surgery performed, unknown number of micrographic surgical layers required to clear tumor
998	Mohs surgery not performed
999	Unknown or no information Not documented in patient record