21—64.107 (163) Official cervid tests. The following are recognized as official cervid tests for CWD:
	  1. 	 Histopathology.
	  2. 	 Immunohistochemistry.
	  3. 	 Western blot.
	  4. 	 Negative stain electron microscopy.
	  5. 	 Bioassay.
	  6. 	 Any other tests performed by an official laboratory to confirm a diagnosis of CWD.