CPT code

73721MRI of knee, without contrast

Plain-English reference for CPT 73721. What it covers, what it typically costs, and the billing errors patientbill.org looks for on this code.

Typical setting
Hospital or imaging center
Medicare allowable
$242
Common private-payer range
$800 – $3,000

The Medicare allowable is the national non-facility rate from the CMS Physician Fee Schedule and is the most defensible "fair price" anchor. Commercial charges typically run 2–5× this number; hospital list prices can be much higher still.

What this code actually is

CPT 73721 is a knee MRI without contrast. Free-standing imaging centers are usually 50–80% cheaper than hospital-based imaging for the same study — if you were referred to a hospital outpatient facility, the bill may reflect that markup.

Audit issues we look for on 73721

  • Technical & professional double-bill — both global and component charges appear

Think your bill has the wrong 73721 charge?

Upload the bill and we'll check for upcoding, unbundling, duplicates, and prices above what's reasonable. If we recover money for you, we keep a small contingency fee. If we don't, you owe nothing.

Common questions about CPT 73721

Private-payer charges typically fall in the $800 – $3,000 range, though hospital list prices can run much higher. Medicare's allowable rate for 73721 is roughly $242, which is a useful fair-price anchor. If your bill for this code is significantly above the high end of that range, ask for an itemized statement and compare against your Explanation of Benefits (EOB) — the insurance "allowed amount" is the most defensible reference point.

Related codes in Imaging (X-ray, CT, MRI, ultrasound)

Patientbill.org is not affiliated with any provider, insurer, or the AMA. Code descriptions are CMS-published short descriptors plus our own plain-English explanations; pricing references are from the CMS Medicare Physician Fee Schedule and public charge benchmarks and may be outdated. Verify your specific charges against your EOB.