Plateletcrit (PCT)

Plateletcrit (PCT) represents the volume occupied by platelets in the blood as a percentage. It is analogous to hematocrit but for platelets.

Category: Complete Blood Count

Also known as: plateletcrit, thrombocrit, plt-crit, trombokrit, platelet crit

Reference range: 0.15–0.4 % (Source: ABIM)

Standard unit: %

High values may indicate

High plateletcrit may indicate thrombocytosis, inflammatory conditions, or myeloproliferative disorders.

Low values may indicate

Low plateletcrit may indicate thrombocytopenia, bone marrow suppression, or increased platelet destruction.

Frequently asked questions

What is a normal Plateletcrit (PCT) level?
A typical reference range for Plateletcrit (PCT) is 0.15–0.4 % (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
What units is Plateletcrit (PCT) measured in?
Plateletcrit (PCT) is most commonly reported in %. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
Where do Plateletcrit (PCT) reference ranges come from?
BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
Can I track Plateletcrit (PCT) over time?
Yes. Upload results from any lab and BloodId charts your Plateletcrit (PCT) over time against its reference range, so you can see whether the trend is rising, falling, or stable.

Related biomarkers

Source: MedlinePlus, U.S. National Library of Medicine

How we source our data

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Chart your Plateletcrit (PCT) over time

Track your Plateletcrit (PCT) over time with BloodId