Collaborative Stage for TNM 7 - Revised 06/28/2011  [ Schema ]

Appendix

CS Site-Specific Factor 7
Microsatellite Instability (MSI)

CodeDescription
020Microsatellite instability (MSI) stable; no MSI; negative, NOS
040MSI unstable low; positive, low
050MSI unstable high; positive, high
060MSI unstable, NOS; positive, NOS
988Not 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.)
997Test ordered, results not in chart
998Test not done (test not ordered and not performed)
999Unknown or no information
Not documented in patient record