All lab markers

Blood count

Haptoglobin

Falls when red cells are being destroyed rather than simply under-produced. Lower results are the ones to watch. A common adult reference interval is 30–200 mg/dL.

Typical adult range

Reference interval
30–200 mg/dL
Often-cited tighter window
50–180 mg/dL

Standard adult laboratory reference interval. Your own lab's printed range is the one that applies to your result.

In more detail

Low with anemia raises the question of red-cell destruction.

These are commonly described physiological relationships, shared for education. They are not a diagnosis and cannot account for your medications, history, or symptoms — discuss your results with a licensed clinician.

Watching Haptoglobin over time?

Dose Compass charts each draw, flags meaningful moves, and helps you prepare questions for your clinician.

Start tracking