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

GISTColon

CS Site-Specific Factor 11
Mitotic Count

CodeDescription
0000.0 mitoses per 50 HPF (40x fields)
0.0 mitoses per 5 square mm
Mitoses absent
No mitoses present
001-0080.1  - 0.8 mitoses per 50 HPF (40x fields)
0.1 - 0.8 mitoses per 5 square mm
0090.9 mitoses per 50 HPF (40x fields)
0.9 mitoses per 5 square mm

Stated as less than 1 mitosis per 50 HPF (40x fields)
Stated as less than 1 mitosis per 5 square mm
010-1001 - 10 mitoses per 50 HPF (40x fields)
1 - 10 mitoses per 5 square mm
11011 or more mitoses per 50 HPF (40x fields)
11 or more mitoses per 5 square mm
988Not 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.)
990Specific number not stated, described as less than or equal to 5 mitoses per 50 HPF (40x fields)
Specific number not stated, described as less than or equal to 5 mitoses per 5 square mm

Stated as low mitotic count or rate with no specific number
991Specific number not stated, described as more than 5 mitoses per 50 HPF (40x fields)
Specific number not stated, described as more than 5 mitoses per 5 square mm

Stated as high mitotic count or rate with no specific number
995OBSOLETE DATA CONVERTED V0203
See code 991

Specific number not stated, described as greater than 5 mitoses per 50 high power fields (40x field)
Specific number not stated, described as greater than 5 mitoses per 5 square millimeters
996Mitotic count described with denominator other than 50 HPF (40x field)/5 square mm
998No histologic specimen from primary site
999Unknown or no information
Not documented in patient record