Lab. Tests What is Cystatin c test? Scholar Idea October 21, 2021 Cystatin C is a relatively small protein that is produced throughout the body by all cells that contain a nucleus, and is found in a variety of body fluids, including the blood. Continue Reading Previous: What is Prostate Specific Antigen (PSA)?Next: What is Fructosamine test? Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Related Stories Lab. Tests What is Fructosamine test? Scholar Idea October 21, 2021 Lab. Tests What is Prostate Specific Antigen (PSA)? Scholar Idea October 21, 2021 Lab. Tests What is Antinuclear Antibody (ANA) test? Scholar Idea October 21, 2021