17312 Mohs additional stage
Also known as: Mohs additional stage, Mohs add-on
Mohs micrographic surgery additional stage beyond the first for head, neck, hands, feet, or genitals when additional layers require examination.
In Plain Language
Additional precision examination of skin cancer
Clinical Context
Add-on code used when multiple tissue layers require examination and processing. Each additional layer adds complexity and ensures complete tumor removal.
RVU Breakdown
| Work RVU | 3.22 |
| Total RVU | 3.22 |
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. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 3.22, this code ranks in the 22nd percentile among Surgery codes — 2.5x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 17312?
CPT 17312 (Mohs additional stage) is a Surgery code. Mohs micrographic surgery additional stage beyond the first for head, neck, hands, feet, or genitals when additional layers require examination.
What is the wRVU value for CPT 17312?
The work RVU for CPT 17312 is 3.22. This code is primarily used by Dermatology, Surgical Oncology, Mohs Surgery.
When is CPT 17312 used?
Add-on code used when multiple tissue layers require examination and processing. Each additional layer adds complexity and ensures complete tumor removal.
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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.