42845 Extensive surgery of throat
Also known as: major pharyngeal reconstruction, free flap pharyngeal reconstruction
Extensive surgical reconstruction of the pharynx (throat) with maximum complexity including free tissue transfer, composite reconstruction, or multistage procedure.
In Plain Language
major complex throat reconstruction with tissue transfer; extensive throat repair with tissue graft
Clinical Context
Performed for major pharyngeal defects including post-cancer reconstruction, severe stenosis, or complex fistulae requiring free tissue transfer. Highest complexity reconstruction.
RVU Breakdown
| Work RVU | 31.75 |
| Total RVU | 31.75 |
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 31.75, this code ranks in the 94th percentile among Surgery codes — 4.0x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 42845?
CPT 42845 (Extensive surgery of throat) is a Surgery code. Extensive surgical reconstruction of the pharynx (throat) with maximum complexity including free tissue transfer, composite reconstruction, or multistage procedure.
What is the wRVU value for CPT 42845?
The work RVU for CPT 42845 is 31.75. This code is primarily used by Otolaryngology, Head and Neck Surgery, Plastic Surgery. It has a 90-day global period.
When is CPT 42845 used?
Performed for major pharyngeal defects including post-cancer reconstruction, severe stenosis, or complex fistulae requiring free tissue transfer. Highest complexity reconstruction.
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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.