NAACCR Item #3887: Measured Basal Diameter
|Item #||Length||Source of Standard||Year Implemented||Version Implemented||Year Retired||Version Retired|
NAACCR XML: Tumor.measuredBasalDiameter
Measured Basal Diameter, the largest basal diameter of a uveal melanoma, is a prognostic indicator for this tumor.
Measured Basal Diameter is listed as a Registry Data Collection Variable in AJCC. It was previously collected as Uveal Melanoma, CS SSF# 2.
|0.0||No mass/tumor found|
|0.1-99.9||0.1–99.9 millimeters (mm)
(Exact measurement to nearest tenth of mm)
|XX.0||100 millimeters (mm) or larger|
|XX.1||Described as "less than 3 mm"|
|XX.2||Described as “at least” 3 mm|
|XX.3||Described as “at least” 6 mm|
|XX.4||Described as “at least” 9 mm|
|XX.5||Described as “at least” 12 mm|
|XX.6||Described as “at least” 15 mm|
|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
Cannot be determined by pathologist
Measured Basal Diameter 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.