Included with every panel
Baseline labs come free with any panel you build.
Blood & iron
MPV test
Mean platelet volume. The average size of your platelets; younger, larger platelets may suggest the marrow is actively producing them. Included with every panel.
At a glance
In about 5 days
Most results are ready in about 5 days. Some specialty markers can take up to 21 days.
Check before your draw
This marker has no preparation tag, but it can still need preparation. Contact us before your draw if you’re not sure.
Walk in at Quest
Your lab order arrives by email. Most Quest locations take walk-ins, so bring it with a photo ID.
What it measures
MPV is the average size of your platelets, tiny cell pieces that help your blood clot. Bigger platelets can be younger, so their size can hint at how fast your body is making them.
Why it matters for women
MPV says little on its own, so it’s read together with your platelet count. When platelets are used up faster, your body can send out bigger new ones. This can happen with immune thrombocytopenia, a condition more common in women in which the immune system destroys platelets by mistake.
You might check it if…
- you bruise easily or get tiny red dots on your skin
- your periods are very heavy or nosebleeds are hard to stop
- a past test showed a high or low platelet count
- you’re getting a routine blood count as part of a checkup
What your result may mean
High MPV: what it may mean
High MPV (mean platelet volume) may mean your platelets are newer and larger than average, which can happen when your bone marrow speeds up production after platelet loss. It can be seen with immune thrombocytopenia (ITP), a condition more common in women in which the immune system destroys platelets by mistake. Some inherited platelet conditions and bone marrow disorders can raise MPV too. Platelets can also swell if the sample sits before testing. Easy bruising or heavy periods may come from a low platelet count rather than from MPV itself, so this result can be read with that count.
Low MPV: what it may mean
Low MPV may mean your platelets are smaller than average, which can occur with bone marrow production problems, such as after chemotherapy or in aplastic anemia. Certain inherited conditions can also lower it. MPV can say little on its own, so a clinician may read it with your platelet count and the rest of your blood work. A low value with a normal platelet count may not be a concern. If platelets are also low, you may notice easy bruising, nosebleeds or heavier periods, though some people may feel nothing.
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These notes provide context and do not diagnose a condition. Not yet available in NY, NJ, RI, HI, ND, SD or WV.