Proceeds from website advertising help sustain Lab Tests Online. AACC is a not-for-profit organization and does not endorse non-AACC products and services.


Print this article
Share this page:
Also known as: [Often referred to by brand name (see MedlinePlus Drug Information)]
Formal name: Digoxin

At a Glance

Why Get Tested?

To determine if the concentration of digoxin in your blood is at a therapeutic level or to detect toxic levels of the drug

When to Get Tested?

After the start of digoxin therapy and at regular intervals to ensure that drug levels are within therapeutic range (not too low or too high as to be toxic)

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

No special preparation is needed, but timing of sample collection is important. When having your blood drawn, tell the person taking your sample when you took your last dose of digoxin.