MS-DRG relationships comparing with MCC or CC (major complications/comorbidities/complic ations/comorbidities) to without MCC/CC MS-DRGs for the same clinical condition should be reviewed because:
a. MCC/CCs can be over-coded by coders
b. MCC/CCs can be under-coded by coders
c. MCC/CCs should not be reported by coders
d. None of the above

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv