Prothrombin Time

350
4.8
NABL, CAP, ISO
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Overview
Interpretations
FAQ's

Overview of Prothrombin Time

What is Prothrombin Time?

It measures the amount of time your blood takes to clot. This test is prescribed when you have prolonged bleeding or unexplained clotting such as nosebleeds, gum bleeding or easy bruising. A doctor can also order this test if he is suspecting liver disease, vitamin K deficiency or to monitor the effect of blood thinning drugs like warfarin.

Sample Type

The sample type collected for Prothrombin Time is: Blood

Preparation for Prothrombin Time

  • No special preparation required

Why Get Tested for Prothrombin Time?

  1. If you have signs or symptoms of a bleeding or clotting disorder like easy bruising, heavy menstrual periods, nosebleeds, swollen and painfol joints 
  2. If you are taking blood thinning medicines like warfarin 
  3. If you have suspected liver disease or vitamin K deficiency




What Results of Prothrombin Time mean?

Interpretations

It usually takes 11 to 14 seconds for blood plasma to clot if you are not taking blood thinning medicines. That means the Prothrombin time is usually between 11 to 14 seconds. If you are taking blood thinners like warfarin, the planned INR is between 2 to 3.5. 


Some causes of increased PT are:
a. Bleeding or clotting disorder
b. Wrong dose of warfarin
c. Vitamin K deficiency
d. Liver disease
e. Rarely, Factor II or Prothrombin deficiency


Patient Concerns about Prothrombin Time

Frequently Asked Questions about Prothrombin Time

Q. Are there any other factors which can affect my PT?
Yes, PT is governed by a large number of factors like alcohol, drugs like oral contraceptive pills, food items such as beef, broccoli, green tea etc. Therefore, it is very important for you to tell your doctor about any medicines, supplements or food items which you are taking.
Q. If my PT is abnormal, what other tests will my doctor order?
1. Partial thromboplastin time (PTT) 2. Platelet count 3. Thrombin time 4. Fibrinogen testing 5. Tests for coagulation factors 6. Von Willibrand factor

Provided By

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CAP

ISO

We focus on providing patients quality diagnostic healthcare services in India. Through our network, we offer patients convenient locations for their diagnostic healthcare services and efficient service. With over 3368 diagnostic and related healthcare tests and services offered, we believe we are capable of performing substantially all of the diagnostic healthcare tests and services currently prescribed by physicians in India. Our key competitive strengths are: Business model focused on the patient as a customer and an established consumer healthcare brand associated with quality services, in a market where patients generally choose their diagnostic healthcare service provider. Well-positioned to leverage upon one of the fastest-growing segments of the Indian healthcare industry. A network whose growth yields greater economies of scale, combined with a hub and spoke model that is scalable for further growth. Centralized information technology platform that fully integrates our network and is scalable. Attractive financial performance, financial profile and return on invested capital. Experienced leadership team with strong industry expertise and successful track record. Some of our laboratories have achieved International Organization for Standardization, or ISO, certification for their quality systems. Our National Reference Laboratory has obtained ISO 9001:2008 certification (for the performance of routine and advanced diagnostic pathology testing services, including clinical trials), ISO 15189:2007 (for quality management in medical laboratories), ISO 15189:2012 certification (in the field of medical testing) and ISO 27001:2013 certification (for establishing an effective information management system that maintains and processes information security at our data center).

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