II. Indications
- Hypercoagulable state evaluation
III. Normal
- Activity: 80-120% of normal activity
- Level: 17-30 mg/dl
IV. Increased
V. Decreased
- Hereditary Antithrombin III Deficiency
- Disseminated Intravascular Coagulation
- Pulmonary Embolus
- Cirrhosis
- Thrombolysis
- Chronic Liver Failure
- Post-surgery
- Nephrotic Syndrome
- Sepsis
- Medications
- Intravenous Heparin use longer than 3 days
- Oral Contraceptive Use