Collaborative Stage

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

CS Site-Specific Factor 13
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	0 ng/ml
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
997	Test ordered, results not in chart
998	Test not done (test was not ordered and was not performed)
999	Unknown or no information Not documented in patient record