Collaborative Stage

Collaborative Stage for TNM 7 - Revised 12/31/2009 [ Schema ]

CS Site-Specific Factor 2
Quadrants

Note 1: Code the number of quadrants clinically involved with melanoma of the conjunctiva as stated in the medical record. If the stated number of quadrants involved conflicts with the T value assigned by the physician, code the stated number of quadrants.
Note 2: If the number of involved quadrants is not stated but a clinical stage is assigned, use the code that matches the clinical T value as indicated in the code descriptions in the table.

Code	Description
010	Less than or equal to one quadrant involved
015	Stated as clinical T1a with no other information on quadrants Stated as clinical T2a with no other information on quadrants Stated as clinical T2c with no other information on quadrants
020	More than one but less than or equal to two quadrants involved
025	Stated as clinical T1b with no other information on quadrants Stated as clinical T2b with no other information on quadrants Stated as clinical T2d with no other information on quadrants
030	More than two but less than or equal to three quadrants involved
035	Stated as clinical T1c with no other information on quadrants
040	Greater than three quadrants involved
045	Stated as clinical T1d with no other information on quadrants
888	OBSOLETE DATA CONVERTED V0200 See code 988 Not applicable
988	Not applicable: Information not collected for this case (May include cases converted from code 888 used in CSv1 for "Not applicable" or when the item was not collected. If this item is required to derive T, N, M, or any stage, use of code 988 may result in an error.)
999	Unknown information Information cannot be assessed Not documented in patient record