Table 3. Definition of Appropriateness Criteria.

Appropriateness Criteria (Score)	Definition
A-Appropriate (7-9)	Test is generally acceptable and a reasonable approach for listed indication.
U-Uncertain (4-6)	Test may be generally acceptable and may be reasonable approach for indication. Uncertainty also implies that more patient evaluation or patient information is needed to classify indication definitely.
I-Inappropriate (1-3)	Test is not generally acceptable and is not reasonable approach for indication.