Preparing for Your Ultrasound at Southeast Medical Group
Ultrasound imaging is a safe, noninvasive diagnostic tool that helps providers evaluate organs, tissues, blood flow, and other internal structures. Preparing correctly for your ultrasound can help improve image quality and support an efficient appointment.
Preparation requirements vary depending on the type of ultrasound study ordered. Some exams require fasting, some require a full bladder, and many require no special preparation at all. Below is a complete guide to ultrasound preparation requirements, study duration, CPT codes, and common reasons a provider may order each exam.
How Do I Prepare for My Ultrasound?
Your ultrasound preparation depends on the type of exam ordered for you.
Use the guide below to find your ultrasound exam type and read its standard requirements.
This is a general guide for informational purposes only. Your specific exam preparation may differ. Always follow the specific instructions provided by your care team.
| Ultrasound Study | Duration | Preparation |
|---|---|---|
| Abdominal Ultrasound | 30 minutes | No food or drink for 6–8 hours; prescription medications may be taken with limited water; diabetic patients may eat something light as needed |
| Renal Ultrasound | 30 minutes | No food for 4–6 hours; drink about 16 oz, or 2 cups, of water 30 minutes before appointment |
| Pelvic Ultrasound / Transvaginal Ultrasound | 30 minutes | No dietary restrictions; drink 16 oz, or 2 cups, of water 1 hour before appointment; do not empty bladder |
| Soft Tissue Ultrasound | 30 minutes | Wear clothing that allows easy access to the area being scanned |
| Upper or Lower Extremity Vascular Doppler | 30–45 minutes | No preparation required |
| Upper Extremity Arterial Doppler | 30–45 minutes | No preparation required |
| Lower Extremity Arterial Doppler | 30–45 minutes | No preparation required |
| Extremity Nonvascular Ultrasound | 30 minutes | No preparation required |
| Carotid Doppler Ultrasound | 30 minutes | No preparation required |
| Thyroid Ultrasound | 30 minutes | No preparation required |
| Scrotum or Testes Ultrasound | 30 minutes | No preparation required |
| Echocardiogram | 45 minutes | No preparation required |
Frequently Asked Questions About Ultrasound Preparation
Some ultrasound exams require fasting. For an abdominal ultrasound, do not eat or drink for 6–8 hours before the exam. For a renal ultrasound, do not eat for 4–6 hours before the exam. Many other ultrasound studies require no fasting.
Before Your Appointment
To help your ultrasound appointment go smoothly:
- Review the preparation requirements for your specific ultrasound study.
- Follow fasting instructions carefully when required.
- Drink the recommended amount of water when instructed.
- Do not empty your bladder before pelvic or transvaginal ultrasound exams.
- Wear clothing that allows easy access to the area being scanned when needed.
- Take prescription medications as instructed unless your care team tells you otherwise.
- Always follow the specific instructions provided by your care team.
If you are unsure which instructions apply to your exam, contact your Southeast Medical Group before your appointment.
