Item #	Length	Source of Standard	Year Implemented	Version Implemented	Year Retired	Version Retired
3888	4	NAACCR	2018	18

Description

Measured Thickness, or height, of a uveal melanoma, is a prognostic indicator for this tumor.

Rationale

Measured Thickness is listed as a Registry Data Collection Variable in AJCC. It was previously collected as Uveal Melanoma, CS SSF# 3.

Codes

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 "greater than" 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 Measured Thickness 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.