A medical assistant is reviewing the chart of a patient who has arteriosclerotic heart disease. In which of the following references should the assistant look for You are logged in as PAM appropriate diagnostic code?

A. NIH (National Institutes of Health): NIH conducts biomedical and public health research but does not regulate laboratory testing.
B. CLIA (Clinical Laboratory Improvement Amendments): This is correct. CLIA regulates laboratory testing and ensures quality standards in the clinical office setting.
C. HHS (Department of Health and Human Services): HHS oversees many health-related programs and agencies, but CLIA specifically regulates laboratory testing.
D. OSHA (Occupational Safety and Health Administration): OSHA regulates workplace safety, not laboratory testing.

A. C-reactive protein (CRP): CRP is typically tested using a serum sample collected in a gold or red-top tube, not a light blue tube.
B. Partial thromboplastin time (PTT): PTT is a coagulation test that requires a light blue top tube containing sodium citrate, which acts as an anticoagulant. This tube is specifically used for coagulation studies.
C. Glucose: Glucose levels are commonly measured using a gray-top tube containing sodium fluoride to inhibit glycolysis, not a light blue tube.
D. Lactate: Lactate levels are typically measured using a gray-top tube or green-top tube, depending on the specific protocol, not a light blue tube.