Collaborative Stage

Collaborative Stage for TNM 7 - Revised 01/27/2010 [ Schema ]

NETSmallIntestine

CS Site-Specific Factor 6
Mitotic Count

Note: Record mitotic count as documented in the pathology report. For NETs, this count is usually documented as mitoses per 10 high power fields (40X field). For other sites in which mitotic count is collected, this denominator may vary.

Code	Description
000	0 mitoses per 10 high-power fields (40x field) 0 mitoses per 2 square millimeters Mitoses absent No mitoses present
001	.1 mitoses per 10 high-power fields (40x field) .1 mitoses per 2 square millimeters
002	.2 mitoses per 10 high-power fields (40x field) .2 mitoses per 2 square millimeters
003	.3 mitoses per 10 high-power fields (40x field) .3 mitoses per 2 square millimeters
004	.4 mitoses per 10 high-power fields (40x field) .4 mitoses per 2 square millimeters
005	.5 mitoses per 10 high-power fields (40x field) .5 mitoses per 2 square millimeters
006	.6 mitoses per 10 high-power fields (40x field) .6 mitoses per 2 square millimeters
007	.7 mitoses per 10 high-power fields (40x field) .7 mitoses per 2 square millimeters
008	.8 mitoses per 10 high-power fields (40x field) .8 mitoses per 2 square millimeters
009	.9 mitoses per 10 high-power fields (40x field) .9 mitoses per 2 square millimeters squared Stated as less than 1 mitoses per 10 high-power fields (40x field) Stated as less than 1 mitoses per 2 square millimeters
010-500	1-50 mitoses per 10 high-power fields (40x field) 1-50 mitoses per 2 square millimeters
510	51 or more mitoses per 10 high-power fields (40x field) 51 or more mitoses per 2 square millimeters
888	OBSOLETE DATA CONVERTED V0200 See code 988 Not applicable for this site
988	Not applicable: Information not collected for this case (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.)
990	Specific number not stated, described less than 2 mitoses per 10 high-power fields (40x field) Specific number not stated, described less than 2 mitoses per square millimeter
995	Specific number not stated, described as between 2-20 mitoses per 10 high-power fields (40x field) Specific number not stated, described as between 2-20 mitoses per square millimeter
997	Specific number not stated, described as more than 20 mitoses per 10 high-power fields (40x field) Specific number not stated, described as more than 20 mitoses per square millimeter
999	Unknown Not stated Not documented in patient record