General
Platelet Count
Lab test

Platelet Count

Ordered for people with unexplained bruising, prolonged bleeding, or symptoms that may indicate a clotting disorder, and for those on medications or treatments that require platelet monitoring. Included in the standard CBC. No fasting required. Results reviewed by a General Medicine clinician.

Receive actionable insights and deep analysis—not just lab values– in as little as 48 hours

Clear guidance, and follow-up care available

Simple, online scheduling for labs and everything else

Most insurance accepted

Board-certified

No hidden fees

Available nationwide

What is a Platelet Count Test?

The Platelet Count measures the number of platelets — the small blood cells responsible for clotting and wound healing — per microliter of blood. Too few platelets increase the risk of uncontrolled bleeding; too many can contribute to abnormal clotting. A platelet count is both a standalone diagnostic tool and a standard component of complete blood count (CBC) testing.

Thrombocytopenia detection

A low platelet count raises the risk of spontaneous bruising, prolonged bleeding, and in severe cases, internal hemorrhage. Common causes include immune thrombocytopenia (ITP), viral infections, certain medications, bone marrow disorders, and liver disease — each requiring different management.

Thrombocytosis evaluation

An elevated platelet count can be reactive (in response to infection, inflammation, or iron deficiency) or reflect an underlying bone marrow disorder. Distinguishing between these causes guides appropriate investigation and treatment.

Monitoring during treatment

Platelet counts are routinely monitored in patients on chemotherapy, anticoagulants, or medications known to affect platelet production — providing the safety data needed to adjust treatment timing and dosing appropriately.

Complete insights in as little as 48 hours

1

Book your test

Instantly schedule at 2,000+ labs nationwide, at a time that works for you. Most visits take 15 minutes or less, with both walk-ins and appointments available.

2

Get results in 48 hours

Your results are delivered quickly—and reviewed by medical professionals. You’ll get clear explanations, robust health insights, and recommended next steps tailored to your health needs.

3

Take action with physician guidance

Choose to review your results and manage your plan with a General Medicine physician—or simply use the insights on your own.

4

Track progress over time

Repeat annually to see trends, improvements, and new emerging risks or book individual tests that focus on your set goals

All your care in one place. That’s the General Medicine difference.

We help you understand your options, connect you to the right clinicians, manage prescriptions, coordinate any needed evaluations, and keep an eye on your overall health along the way. It’s comprehensive care that looks at the full picture — your goals, your history, your lifestyle — and makes it simple to move forward with confidence.

Your care plan
Clinician

What's included

Test type

Blood sample

Collection method

Venipuncture

Fasting

Not required

Results processing time

1 to 2 days

Platelets (PLT)

Platelets help form blood clots to stop bleeding and begin healing an injury.

Virtual visit with clinician

Ongoing support, always available.

You’ll be supported by experienced clinicians who care for a wide range of health needs, from everyday concerns to more complex conditions.

Our clinicians track your progress over time and adjust your care as needed. If medication is prescribed, we’ll manage dosing and monitor for side effects. If lab testing is recommended, we review results and refine your plan accordingly. You’re never left to navigate care on your own.

What our customers have to say

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Bridget, Mississippi

Order your lab today.

Frequently asked questions

What does a platelet count measure?

Platelets are tiny blood cells responsible for clotting. A platelet count measures how many platelets are present per microliter of blood. Low platelets (thrombocytopenia) increase bleeding risk; high platelets (thrombocytosis) can be associated with clotting risk or underlying disease.

Is a platelet count the same as a CBC?

A platelet count is one component of a Complete Blood Count (CBC), which also measures red blood cells, white blood cells, and hemoglobin. If you need only the platelet count reviewed, it's included in any CBC. A standalone platelet count may be ordered when monitoring a specific condition.

Do I need to fast before a platelet count?

No fasting is required. Platelet counts are not affected by recent food intake. You can eat and drink normally before your appointment.

What conditions cause a low platelet count?

Common causes include immune thrombocytopenia (ITP), viral infections, certain medications (heparin, quinine, some antibiotics), bone marrow disorders, liver disease, and vitamin deficiencies. Severe thrombocytopenia can cause spontaneous bruising and bleeding.

I bruise easily or take blood thinners — is a platelet count the right test?

Easy bruising can reflect low platelets, but it can also result from clotting factor deficiencies, vitamin C deficiency, or blood thinner use — which don't affect platelet count. A CBC including platelet count is a reasonable starting point, but a broader coagulation panel may be needed depending on your situation.
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