Understanding Mean Platelet Volume (MPV) Blood Tests: What They Reveal

The mean platelet volume (MPV) blood test measures the average size of your platelets. MPV generally accompanies a platelet count and other platelet tests such as bleeding time or platelet function analysis.

Platelet Count

• The platelet count measures the number of platelets present in a blood sample. Your bone marrow creates platelets, an important part of the clotting process.

Bleeding Time

• The bleeding time test establishes how long it takes your blood to clot. However, the numerous disadvantages of bleeding times may outweigh their usefulness.

Platelet Function Analysis

• A platelet function analysis test measures platelet aggregation (how well your platelet come together) and adhesion (how well your platelets stay together).

MPV

• Bigger platelets indicate newer platelets; therefore an elevated MPV occurs when platelet production in your bone marrow increases. Abnormally high or low MPV results, when coupled with other abnormal results, may help identify a particular disease. To determine if your MPV falls within the norm, refer to the normal range listed with your test results (generally around 7.4-10.4 fL).

Warning

• Use this information for reference only. Normal ranges for lab results can vary depending on the instrumentation and methods used and should always be discussed with your health care provider.