Collaborative Stage

Collaborative Stage for TNM 7 - Revised 10/21/2009 [ Schema ]

CS Site-Specific Factor 11
Serum Chromogranin A (CgA) Lab Value

Note 1: Chromoganins are a family of proteins in secretory granules found throughout the neuroendocrine system. Serum Chromagranin A has shown to be a useful marker for neuroendocrine tumors.
Note 2: Record the highest CgA lab value recorded in the medical record prior to treatment. A pretreatment CgA of 400 nanograms/millileter (ng/ml) would be recorded as 400.

Code	Description
000	Test not done (test not ordered or not performed)
001	1 or less ng/ml
002-979	002-979 ng/ml
980	980 or greater ng/ml
988	Not applicable: Information not collected for this case
998	Test ordered, results not in chart
999	Unknown or no information Not documented in patient record