27455 Realignment of knee
Also known as: tibial osteotomy, high tibial osteotomy, HTO
Surgical osteotomy of the knee joint area (typically proximal tibia) with realignment to correct angular deformity and improve lower extremity biomechanics.
In Plain Language
cutting and realigning the shin bone
Clinical Context
Used for genu varum or valgum, unicompartmental osteoarthritis, and to unload diseased knee compartment. Common joint-preserving procedure.
RVU Breakdown
| Work RVU | 13.03 |
| Total RVU | 13.03 |
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 13.03, this code ranks in the 68th percentile among Surgery codes — 1.6x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 27455?
CPT 27455 (Realignment of knee) is a Surgery code. Surgical osteotomy of the knee joint area (typically proximal tibia) with realignment to correct angular deformity and improve lower extremity biomechanics.
What is the wRVU value for CPT 27455?
The work RVU for CPT 27455 is 13.03. This code is primarily used by Orthopedic Surgery, Knee Surgery. It has a 90-day global period.
When is CPT 27455 used?
Used for genu varum or valgum, unicompartmental osteoarthritis, and to unload diseased knee compartment. Common joint-preserving procedure.
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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.