Test Detail
Overview
Interpreting Results
FAQ's

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Written by
Dr. Shreya Gupta
BDS, MDS - Oral and Maxillofacial Pathology
Reviewed by
Dr. Lalit Mohan Gupta
MBBS, MD - Microbiology
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Platelet Count

(PC)
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You need to provide
Blood
This test is for
Male, Female
Test Preparation
  1. No special preparation required

Overview


What is PC?

It is done to determine the number of platelets in your blood sample as a part of routine blood count, to screen for diseases which can affect platelets like dengue fever. If you have episodes of unexplained or prolonged bleeding or any other symptoms pointing towards a platelet disorder like small red spots on the skin, you should get your platelet count done urgently.

Why is PC done?

  1. As a component of complete blood count (CBC), which may be done as a part of routine health examination 
  2. If you have signs and symptoms of bleeding disorder like easy bruising, prolonged bleeding after a small cut, increased menstrual bleeding, numerous nosebleeds etc
  3. In common diseases like dengue fever, where platelet count becomes low

Interpreting PC results


Interpretations

  • Low platelet counts also called as thrombocytopenia may be associated with
    A.Viral infections such as dengue fever, hepatitis etc.
    B.Immune thrombocytopenic purpura
    C.Certain drugs like asprin, ibuprofen or antibiotics like colchicine, indomethacin
    D.Chemotherapy or radiation therapy
    E.Bacterial infection
    F.Aplastic anemia
    G.Leukemia

    Rarely, platelet count can increase. Causes of high platelet count are:

    A.Anemia particularly iron deficiency
    B.Infections such as tuberculosis
    C.Certain malignancies like essential thrombocytosis

Answers to Patient Concerns & Frequently Asked Questions (FAQs) about PC


Frequently Asked Questions about Platelet Count

Q. Are there any signs or symptoms of low platelet count which I should pay attention to?
Excessive or prolonged menstrual periods, bleeding from nose, mouth or rectum, bruising for no apparent reason are the usual symptoms of low platelet count.
Q. If my platelet count is abnormal, what follow up tests might my doctor order?
The tests which can be ordered depends upon the cause and the results of CBC and peripheral smear. They may include: 1.Tests for infectious diseases like dengue 2.Tests for bleeding disorders like PT, PTT 3.Iron studies 4.Tests for liver diseases 5.In rare cases, bone marrow biopsy should be ordered

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