Platelets [plats]

Platelets are important in the formation of blood clots to stop bleeding. Very low platelet counts are associated with risk of serious bleeding. Normal = 150-450 thousand million/litre. This may be written for example as 400 x 10^9/litre, or 400 x 109/l)

below 30
Serious risk of bleeding
Slightly low but not dangerous
Sometimes occurs in inflammation, and sometimes in blood diseases. Risk of blood clotting if very high.

This result generally comes back as part of a 'full blood count', FBC (or complete blood count, CBC).

Kidney diseases People with kidney failure have often have slightly low (but safe) platelet counts. Some drugs used to treat kidney diseases may cause low wbc, plats or Hb. Less commonly, blood diseases can do the same.

More info about Platelet counts from Lab Tests Online

This page created 6th December 2004, last modified Mar 23, 2021, on the PatientView website