Bones & Muscles

Parathyroid hormone, bone turnover and muscle enzymes.

4 tests explained

Common follow-up tests

Creatine Kinase (CK), TotalAn enzyme found mostly in muscle. It leaks into the blood when muscle is strained or injured, so hard exercise is a common reason for a high result.
CTX (C-Telopeptide of Type I Collagen), SerumA blood marker of how fast old bone is being broken down. It is mostly used to follow osteoporosis treatment, not to screen healthy people.
P1NP (Procollagen Type 1 N-Terminal Propeptide)A blood marker of how fast new bone is being built. It is mostly used to follow bone treatment, not to screen healthy people.
Parathyroid Hormone (PTH), IntactA hormone from four small glands in your neck that keeps your blood calcium steady. It is read together with calcium and vitamin D.