27440 Revision of knee joint
Also known as: knee revision, prosthesis revision, knee re-operation
Surgical revision of the knee joint for arthritis, instability, or prior prosthetic complication, with varied procedures including prosthetic adjustment, cement revision, or bone grafting.
In Plain Language
revising a prior knee surgery
Clinical Context
Used for prosthetic loosening, wear, infection, pain, or instability after total knee arthroplasty or other prior surgery.
RVU Breakdown
| Work RVU | 10.81 |
| Total RVU | 10.81 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 10.81, this code ranks in the 62nd percentile among Surgery codes — 1.4x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 27440?
CPT 27440 (Revision of knee joint) is a Surgery code. Surgical revision of the knee joint for arthritis, instability, or prior prosthetic complication, with varied procedures including prosthetic adjustment, cement revision, or bone grafting.
What is the wRVU value for CPT 27440?
The work RVU for CPT 27440 is 10.81. This code is primarily used by Orthopedic Surgery, Joint Replacement, Knee Surgery. It has a 90-day global period.
When is CPT 27440 used?
Used for prosthetic loosening, wear, infection, pain, or instability after total knee arthroplasty or other prior surgery.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.