Why does this patient have elevated homocysteine and C-reactive protein?

This article was first published on July 12, 2024. It was last reviewed, updated, or edited on July 12, 2024. In another article on this website, we discussed the reasons why, when I ordered laboratory tests for one of my outpatients, I included the following: Serum vitamin B12 level Serum methylmalonic acid level Serum homocysteine level High-sensitivity (“cardiac”) C-reactive protein I…