Breast

Note 1: Multigene signatures or classifiers are assays of a panel of genes from a tumor specimen, intended to provide a quantitative assessment of the likelihood of response to chemotherapy and to evaluate prognosis or distant recurrence. Oncotype DX and MammaPrint (also called MammoPrint) are two commercially available genomic tests.
Note 2: Code the type of test performed. The same test should be used to record information in CS Site-Specific Factors 22 and 23.
Note 3: This information may not be available at diagnosis and may require follow-up with the physician.

Code	Description
010	Oncotype DX
020	MammaPrint (MammoPrint)
030	Other
040	Test performed, type of test unknown
988	Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 988 may result in an edit error.)
997	OBSOLETE DATA CONVERTED V0203 See code 040 Test ordered, results not in chart
998	Test not done (test not ordered and not performed)
999	Unknown or no information Not documented in patient record

CS Site-Specific Factor 22Multigene Signature Method