67346 Biopsy eye muscle
Also known as: muscle biopsy, orbital muscle biopsy
Biopsy of extraocular muscle tissue to obtain pathologic diagnosis for suspected muscle disease, inflammation, or infiltration.
In Plain Language
tissue sample from eye muscle
Clinical Context
Performed for myasthenia gravis, thyroid eye disease, inflammatory myositis, or infiltrative conditions affecting ocular motility.
RVU Breakdown
| Work RVU | 2.80 |
| Total RVU | 2.80 |
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 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 2.80, this code ranks in the 19th percentile among Surgery codes — 2.9x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 67346?
CPT 67346 (Biopsy eye muscle) is a Surgery code. Biopsy of extraocular muscle tissue to obtain pathologic diagnosis for suspected muscle disease, inflammation, or infiltration.
What is the wRVU value for CPT 67346?
The work RVU for CPT 67346 is 2.80. This code is primarily used by Ophthalmology, Neuro-Ophthalmology, Pathology.
When is CPT 67346 used?
Performed for myasthenia gravis, thyroid eye disease, inflammatory myositis, or infiltrative conditions affecting ocular motility.
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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.