21183 Reconstruct cranial bone
Also known as: complex cranial reconstruction
Reconstruction of cranial bone with increased complexity, involving multiple defects or advanced reconstructive techniques.
In Plain Language
Complex skull reconstruction; Repairing multiple skull defects
Clinical Context
Used for extensive cranial defects affecting multiple regions or requiring advanced closure techniques.
RVU Breakdown
| Work RVU | 34.81 |
| Total RVU | 34.81 |
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 34.81, this code ranks in the 95th percentile among Surgery codes — 4.4x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 21183?
CPT 21183 (Reconstruct cranial bone) is a Surgery code. Reconstruction of cranial bone with increased complexity, involving multiple defects or advanced reconstructive techniques.
What is the wRVU value for CPT 21183?
The work RVU for CPT 21183 is 34.81. This code is primarily used by Neurosurgery, Craniofacial Surgery, Trauma Surgery. It has a 90-day global period.
When is CPT 21183 used?
Used for extensive cranial defects affecting multiple regions or requiring advanced closure techniques.
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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.