Alpha-1 Antitrypsin

MeasuredUseful

A protein that protects lung tissue from enzyme damage.

Tested when unexplained lung or liver disease suggests an inherited deficiency.

How we rate it: Useful

Worth doing for a specific reason: a risk factor, a symptom, an age group.

This rating and the description above were written against published screening guidelines by someone who is not a clinician, and are awaiting review by one. We would rather say that than imply an authority we do not have.

Check-ups that include it

In 6 of the 93 check-ups we track, 6%. Cheapest first.

Also sold as

Every one of these names refers to this same test. Resolving them to one canonical entry is what makes an honest comparison possible.

  • a1at
  • alpha 1 antitrypsin
  • alpha1 antitrypsin

Information here is for comparing packages, not for diagnosing yourself. Talk to a doctor about which tests you actually need.