| Category | Amount |
|---|---|
| Medicare Allowed Rate What Medicare approves for this service | $261.92 |
| Typical Billed Amount What providers commonly charge | $500 – $3500 |
| Potential Markup How much more you might pay vs. Medicare rate | 1236% above Medicare |
What CPT Code 45378 Means
CPT code 45378 represents a diagnostic colonoscopy, which is a medical procedure where your doctor uses a flexible tube with a camera to examine the inside of your colon and rectum. This is typically done as a screening test to check for colon cancer, polyps, or other digestive issues.
Your doctor will use this code when the colonoscopy is performed for screening purposes or to investigate symptoms like changes in bowel habits, abdominal pain, or blood in stool. The procedure involves inserting a colonoscope through the rectum to visually inspect the entire colon. This is different from other colonoscopy codes that involve removing polyps or taking tissue samples during the same procedure.
Most people receive their first screening colonoscopy around age 45-50, and then every 10 years if no problems are found. Your insurance may cover this as a preventive service, but the billing can vary depending on what your doctor discovers during the exam.
Typical Costs and What to Expect on Your Bill
The cost for CPT code 45378 varies significantly depending on where you receive care. You can expect to see charges ranging from $500 to $3,500 for this procedure. The Medicare reimbursement rate is $261.92, which gives you an idea of what the government considers a fair price for this service.
On your medical bill, you'll see CPT code 45378 listed along with the facility charges. Remember that you may receive separate bills from different providers - one from your gastroenterologist who performed the procedure, one from the facility (hospital or surgery center), and possibly one from an anesthesiologist if you received sedation.
If your colonoscopy was purely for screening and no polyps were found or removed, your insurance should typically cover it as a preventive service with no copay. However, if your doctor finds and removes polyps during the procedure, the billing codes may change, and you might be responsible for deductibles or copays.
How to Verify Your Colonoscopy Bill
Start by checking that CPT code 45378 matches what actually happened during your procedure. If your doctor only performed a diagnostic screening without removing any polyps or taking biopsies, then 45378 is the correct code. However, if polyps were removed, you should see additional codes like 45380 or 45385 on your bill.
Compare the charges on your bill to the typical range of $500-$3,500. If your bill seems unusually high, call your provider's billing department to ask for an itemized explanation. Make sure you understand what each charge covers - the procedure itself, facility fees, anesthesia, and any pathology work if tissue samples were taken.
If you believe you've been overcharged or billed incorrectly, contact your insurance company first to verify what they've processed. Then reach out to your healthcare provider's billing department with specific questions about the charges. Don't hesitate to ask for a payment plan if the costs are more than you expected, as many providers offer flexible payment options for patients.