NAACCR Item #3892: Mitotic Count Uveal Melanoma
| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 3,892 | 4 | NAACCR | 2018 | 18 |
NAACCR XML: Tumor.mitoticCountUvealMelanoma
Description
Mitotic Count Uveal Melanoma, the number of mitoses per 40 high-power fields (HPF) based on pathological evaluation, is a prognostic factor for uveal melanoma.
Rationale
Mitotic Count Uveal Melanoma is listed as a Registry Data Collection Variable in AJCC. It was previously collected as Uveal Melanoma, CS SSF# 9.
Codes
| 0.0 | 0 mitoses per 40 high-power fields (HPF) Mitoses absent, no mitoses present, no mitotic activity |
| 0.1-99.9 | 0.1-99.9 mitosis per 40 HPF |
| XX.1 | 100 or more mitoses per 40 HPF |
| XX.2 | Stated as low mitotic count or rate with no specific number |
| XX.3 | Stated as high mitotic count or rate with no specific number |
| XX.4 | Mitotic count described with denominator other than 40 HPF |
| XX.7 | Test ordered, results not in chart |
| XX.8 | Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code XX.8 may result in an edit error.) |
| XX.9 | Not documented in medical record Mitotic Count Uveal Melanoma not assessed or unknown if assessed |
Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.