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Bleeding time
CPT4 code
Name of the Procedure:
Bleeding Time Test
- Medical term: Bleeding Time (BT)
Summary
The Bleeding Time Test is a medical procedure that measures how long it takes for your blood to clot and stop bleeding after a small incision or needle prick.
Purpose
The procedure assesses the functionality of your platelets and helps diagnose bleeding disorders. It aims to identify coagulation issues and ensure proper blood clotting mechanisms.
Indications
- Unexplained, prolonged bleeding or bruising
- Suspected platelet function disorders
- Preoperative assessment for patients with bleeding symptoms
Preparation
- No specific fasting required.
- Inform your doctor of any medications you're taking, especially blood thinners like aspirin or warfarin.
- Avoid using certain medications that could affect bleeding time as per your doctor’s instructions.
- A blood pressure cuff may be applied to your arm, and your skin will be cleaned and sterilized before the procedure.
Procedure Description
- A healthcare professional will clean an area on your forearm.
- A blood pressure cuff is slightly inflated around your upper arm to apply pressure.
- Small, standardized incisions (or needle pricks) are made on your forearm.
- The time it takes for bleeding to stop is measured.
- A stopwatch is used to accurately record the time.
- Upon cessation of bleeding, a bandage is applied to the area.
Duration
The procedure typically takes approximately 1 to 10 minutes.
Setting
The Bleeding Time Test is usually conducted in an outpatient clinic, hospital, or doctor's office.
Personnel
- Nurse or medical technician to perform the test
- Doctor to interpret results and provide further evaluation
Risks and Complications
- Minor risk of infection at the incision sites
- Slight bruising or swelling
- Very small risk of excessive bleeding
Benefits
- Quick and simple procedure with immediate results
- Helps diagnose and manage bleeding disorders
- Informs preoperative preparations and decisions
Recovery
- Minor soreness and bruising expected at the incision site
- Keep the wound clean and dry, and follow any specific care instructions given by your healthcare provider.
- Normal activities can typically be resumed immediately after the procedure.
Alternatives
- Blood tests like Prothrombin Time (PT) and Activated Partial Thromboplastin Time (aPTT) for more detailed coagulation profiles.
- Platelet Function Analyzer (PFA-100) for assessing platelet function in-vitro.
- Genetic testing or bone marrow biopsy for specific platelet disorders.
Patient Experience
- You may feel a small prick or discomfort when the incision is made.
- Mild bruising or soreness can be expected at the test site.
- Pain is generally minimal and manageable.
- Comfort measures include applying an adhesive bandage or pressure bandage to the incision site after the procedure.