Before your Visit

At Diagnostic Medical Group, we’re committed to making your visit as smooth and stress-free as possible. Preparing for your appointment helps ensure an efficient experience and allows our team to provide the highest quality diagnostic imaging services. From scheduling and registration to exam-specific instructions, we’re here to guide you every step of the way and answer any questions before your visit.

We can help you with:
  • Scheduling and confirming your appointment

  • Preparing medical records, imaging, or referrals for review

  • Understanding what to expect during your visit

  • Guidance on insurance coverage and health plan benefits

  • Connecting you with support resources

How to Prepare for an Exam

MRI Preparation

To ensure a safe and accurate MRI exam, please follow these preparation guidelines:

  • Inform your provider if you have any implanted medical devices, metal implants, pacemakers, aneurysm clips, or other metal in your body.
  • Remove all jewelry, watches, hairpins, hearing aids, and other metal objects before your exam.
  • Let us know if you are pregnant, think you may be pregnant, or are breastfeeding.
  • If you experience claustrophobia or anxiety in enclosed spaces, notify your provider before your appointment to discuss available options.
  • If your MRI requires contrast, please inform us of any allergies, kidney disease, or prior reactions to MRI contrast agents.
  • Wear comfortable clothing without metal zippers, snaps, or underwire, or be prepared to change into a gown if needed.

CT Scan Preparation

To help ensure a safe and successful CT scan, please follow these preparation guidelines:

  • If your exam requires contrast, you may be asked to avoid eating or drinking for several hours before your appointment. Follow the instructions provided by your healthcare provider.
  • Inform us if you have any allergies, especially to iodinated contrast (CT dye), or if you have had a previous reaction to contrast.
  • If you are 60 years of age or older, and have kidney disease, diabetes, or reduced kidney function, recent kidney function lab work may be required before receiving contrast.
  • Let us know if you are pregnant or think you may be pregnant before your exam.
  • Continue taking your regular medications unless your provider instructs you otherwise.

Mammogram Preparation

To help ensure the best possible images, please follow these preparation guidelines:

  • Bring any prior mammogram images or reports, if requested, to allow for comparison.
  • Do not wear deodorant, powder, lotion, or perfume on your underarms or chest on the day of your exam, as these products may affect the images.

Abdominal Ultrasound Preparation

  • Do not eat or drink for 6 hours before your exam.
  • If you need water to take required medication, drink only small sips.

Pelvic Complete Ultrasound Preparation

  • Drink 5 cups (40 oz) of water and finish 1 hour before your appointment.
  • Do not urinate before the exam. A full bladder is required.

Obstetrical Ultrasound Preparation

Early Pregnancy (1 to 14 Weeks)

  • Drink 5 cups (40 oz) of water and finish 1 hour before your appointment.
  • Do not urinate before the exam.

Advanced Pregnancy (Over 14 Weeks)

  • Drink the recommended amount of water based on your stage of pregnancy, finishing 1 hour before your appointment. Do
    not urinate beforehand.
  • 5 to 6 Months: Drink 4 cups of water
  • 7 Months: Drink 3 cups of water

Prostate Complete Ultrasound

  • Drink 5 cups (40 oz) of water and finish 1 hour before your appointment.
  • Do not urinate before the exam. A full bladder is required.

Transrectal Ultrasound Preparation

  • Purchase 2 bottles of Fleet Enema.
    • Use the first bottle the night before your exam.
    • Use the second bottle 1 hour before your exam.
  • Patients are not required to fast for this exam; eating is allowed, but a light meal is recommended.

PET Preparation 

We currently schedule up to six PET scans per day according to the following appointment times:

Appointment Time Required Check-In Time
10:00 AM 8:30 AM
11:00 AM 9:30 AM
12:00 PM 11:00 AM
1:30 PM 12:00 PM
3:00 PM 1:30 PM
4:00 PM 2:30 PM


Important Notes:

  • Patients must check in 90 minutes before their scheduled scan time.
  • Approximately 60 minutes before the scan, a technologist will escort the patient to an exam room for the FDG injection.
  • Following the injection, the patient will rest quietly for 45–60 minutes to allow the tracer to circulate.
  • The PET scan itself typically takes 30–45 minutes to complete.

Whole Body Bone scan 78306 Pharmaceutical A9503

Usually ordered for bone metastasis, Fracture or Chronic Infection

One day procedure ( No Preparation)

  • Schedule injection 30 min slot (Under NM Injection) first, then 2-3 hours later
  • Schedule patient to come back for bone scan for 60 min


Bone scan 3 Phase 78315 Pharmaceutical A9503

Usually ordered for bone metastasis or Infection

One day procedure ( No Preparation)

  • Schedule injection 30 min slot (Under NM Injection) first, then 2-3 hours later
  • Schedule patient to come back for bone scan


Parathyroid scan (Sestamibi) 78070 Pharmaceutical A9500

Usually ordered to evaluate parathyroid function

One Day procedure (No Preparation)

  • Schedule injection 30 min slot (Under NM Injection) first, then 2-3 hours later
  • Schedule patient to come back for Parathyroid scan for 60 min
  • Required recent Calcium labs and Thyroid Ultrasound Report if available


Hida Scan 78227

Pharmaceutical Choletec A9537 ( 90min)

Usually ordered to evaluate gallbladder for obstruction or bile leak

(Eating will active gallbladder)

Preparation:

  • NPO 6 hours
  • Patient to bring fatty food


Renal scan (90min)

78701- Renal with Vascular flow & function

78707- Renal scan & Renogram A9562 (Mag3) Most commonly used



Renal scan with & without Lasix washout (90min)

78701- Renal with Vascular flow & Function

78709- Renal with & without Lasix Washout

For GFR – A9539 (TC-DTPA)

Usually ordered for kidney function evaluation, uncontrolled hypertension, diabetes, kidney disease.

Preparation:

  • None
  • Patient gets injection with radiopharmaceutical and then scanned
  • Schedule both coded back-to-back


V/P Lung Scan – 78579 Lung Perfusion, Ventilation quotient (VQ)

Quantitative differential function test

Pharmaceutical A9567 – Ventilation

Pharmaceutical A9568- Perfusion

Chest X-Ray 2 views 71046

Usually ordered for ruling out pulmonary embolism or pre-op evaluation prior to lobectomy

  • Schedule Chest X-Ray first
  • Then 60min scan
  • One day procedure
  • No preparation