CPT code 27440: Knee arthroplasty, tibial plateau2026 Medicare rate & RVUs in Mississippi

In Mississippi, Medicare pays $682.94 for 27440 in a facility. There’s no office rate.

Check a contract rate as a % of Medicare · 27440 nationwide

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

What 27440 covers

An orthopedic surgeon performs this operation to reconstruct the knee’s tibial articular surface. It is a joint procedure for selected patients with disease or damage affecting the tibial plateau; it is distinct from replacing the full knee joint or resurfacing both the femoral and tibial sides. The service is generally performed in an operating room, with the operative report identifying the treated surface and the reconstructive work performed.

Select this code when the documented arthroplasty is limited to the tibial plateau. The operative report should support that extent and distinguish it from a broader compartment or total knee replacement. Medicare assigns a 90-day global period, including the day-before preoperative visit and related postoperative care during that period. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and other procedures are subject to the standard 50% reduction. Modifier 50 applies to a bilateral procedure, paid at 150%. Assistant-at-surgery payment may be available; co-surgeon payment requires supporting documentation, and team surgery is not permitted.

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

How Mississippi compares for 27440

Across 109 of 109 payment localities, the facility rate for 27440 runs from $665.05 in Arkansas to $911.73 in Alaska. Mississippi pays $682.94. The RVUs are the same everywhere; the geographic indexes change the dollars.

Every other payment area

27440 rates by state

Office rate range in each state. Select a state to see its payment localities.

See 27440 in every payment locality

How the 27440 rate is calculated

Each of 27440’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

Payment rules and modifiers for 27440

27440 has a 90-day global period: related visits in that window are included in the surgery payment.

What modifiers do to the payment

When to use modifier 50

Codes related to 27440

Related codes aren’t interchangeable: bill the code that matches the service performed.

How 27440 has changed in Mississippi

Price 27440 for an earlier date of service

Where the Mississippi rate applies

Mississippi is a Medicare payment area, not a city. Our Census mapping connects it to 427 cities and communities in Mississippi. Some span more than one payment area; confirm with the service ZIP.

• Abbeville
• Aberdeen
• Ackerman
• Agricola
• Alcorn State University
• Algoma
• Alligator
• Amory

Browse all communities in Mississippi

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Open CMS sourceHow we calculate rates