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Ency. home > Test > P > PTT

PTT   

Overview | Risks | Results

Alternative names:

APTT; Partial thromboplastin time; Activated partial thromboplastin time

Normal Values

  • APTT: 25 to 35 seconds

The normal value will vary between laboratories.

  • Patients receiving anticoagulant therapy: 1.5 to 2.5 times control values

What Abnormal Results Mean

Prolonged PTT may indicate:

This test may be used in the evaluation of a wide variety of disorders.

Ency. home > Test > P > PTT

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