This code describes sampling extraocular muscle tissue for diagnosis. Code 67311 is used for eye muscle revision work, not biopsy.
On this page
CMS RVU26D · Effective 2026-10-01
67346 Eye muscle biopsy Medicare reimbursement rates in Wyoming
An ophthalmic surgeon samples extraocular muscle tissue for diagnosis when examination or imaging cannot establish the cause of a muscle abnormality. Compare 67346 office and facility rates across CMS payment localities in Wyoming.
Amounts below use the non-QP conversion factor for participating physicians. These are base physician payments before claim-level adjustments, not patient costs or total hospital charges.
What does Medicare pay for 67346 in Wyoming?
Wyoming has 1 payment locality in this comparison. Use the service location to choose the applicable amount. These are the supported base rates for the payment area shown below, using the same CMS release.
Office / nonfacility
No supported rate
Facility setting
$159.17
1 of 1 localities have a supported rate.
Payment area: Wyoming**
One mapped payment locality.
These are locality ranges, not averages or address-specific quotes. A facility-setting amount covers the physician service; it does not include a hospital’s separate bill. Choose a locality below to inspect its calculation, compare other payment areas, or price a percentage of Medicare.
Ophthalmic surgery
About 67346: Extraocular muscle biopsy
An ophthalmic surgeon samples extraocular muscle tissue for diagnosis when examination or imaging cannot establish the cause of a muscle abnormality.
An ophthalmic surgeon removes a tissue sample from an extraocular muscle for diagnostic examination. The procedure may be considered when a muscle abnormality raises concern for an inflammatory, infiltrative, or neoplastic process and tissue is needed to clarify the diagnosis. It is generally performed in an operating-room setting, with the specimen submitted for pathologic examination. The surgeon’s work is sampling the eye muscle, not changing its position or releasing scar tissue around it.
Report this code when the operative record identifies the extraocular muscle sampled and documents the clinical reason for obtaining tissue. The pathologist’s examination of the specimen is a separate service when performed and reported. The code has a 0-day global period, so same-day preoperative and postoperative care is included. For bilateral procedures, modifier 50 is paid at 150%. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and the others at 50%. An assistant at surgery is paid only when medical necessity is documented; co-surgeons and team surgery are not permitted.
CMS billing rules for 67346
- Global period
- Minor procedure with a 0-day global period: same-day preoperative and postoperative care is included.
- Multiple procedures
- Standard multiple procedure reduction: the highest-valued procedure is paid in full and others at 50% when performed in the same session.
- Bilateral procedures
- Bilateral procedure with modifier 50 is paid at 150%.
- Assistant at surgery
- Assistant at surgery is paid only with documentation of medical necessity.
- Co-surgeons
- Co-surgeons not permitted.
- Team surgery
- Team surgery not permitted.
Where the value comes from
- Work RVU2.80 · 58%
- Practice expense (office) RVU1.81 · 38%
- Malpractice RVU0.21 · 4%
28
Medicare services in 2024 · #5718 by national volume
This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.
67346 compared with similar codes
Office rates for Wyoming, from the same CMS release.
This code obtains muscle tissue for diagnostic examination. Code 67343 describes release of restrictive tissue around the eye muscles.
Unlisted px extraocular musc
Use 67346 for a described extraocular muscle biopsy. The unlisted code is for extraocular muscle work that lacks a more specific CPT code.
Compare 67346 by payment locality
Find the payment area for your service address, then open its rate page for calculation inputs, release history and the percentage-of-Medicare tool. A city may cross payment-area boundaries; the ZIP lookup above helps resolve the location.
1 of 1 payment localities
Wyoming** →
Office / nonfacility
Unavailable
Facility
$159.17
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How this local rate is calculated
Each RVU component is multiplied by its own geographic practice cost index (GPCI). The three adjusted components are added, then multiplied by the conversion factor. These are the inputs used for 67346 in Wyoming**.
PPRRVU2026_Oct_nonQPP.csv
7,466
- Code
- 67346
- Physician work
- 2.80
- Practice expense
- 1.81
- Malpractice
- 0.21
GPCI2026.csv
112
- Locality
- Wyoming**
- Physician work
- 1.000
- Practice expense
- 1.000
- Malpractice
- 0.740
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 2.80 | × 1.000 | 2.8000 |
| Practice expense | 1.81 | × 1.000 | 1.8100 |
| Malpractice | 0.21 | × 0.740 | 0.1554 |
| Total RVUs | 4.7654 | ||
| Conversion factor | × 33.4009 | ||
Facility rate, Wyoming**$159.17
Explore RVUs, geographic factors and the full formula
Facility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 2.8 | 1 |
| Practice expense | 1.81 | 1 |
| Malpractice | 0.21 | 0.74 |
(2.8 × 1 + 1.81 × 1 + 0.21 × 0.74) × $33.4009 = $159.17
The office and facility calculations use their respective practice-expense RVUs. The facility amount here is the physician fee, not a separate hospital or facility bill.
67346 billing questions
How is this different from eye muscle alignment surgery?
This code is for obtaining extraocular muscle tissue for diagnosis. Codes for eye muscle revision or repositioning describe treatment intended to change muscle alignment.
Can the tissue examination be billed separately?
The surgeon reports the biopsy procedure, while the pathologist may separately report examination of the submitted specimen. The operative record should support the biopsy and the pathology service should reflect the work performed.
What documentation supports reporting this code?
Document the diagnostic reason for biopsy, the extraocular muscle sampled, and the operative work used to obtain the specimen. The record should distinguish tissue sampling from muscle repositioning or scar release.
How is a bilateral muscle biopsy reported?
CMS identifies this as a bilateral procedure; modifier 50 is paid at 150%. Document which eye muscles were sampled.
How does the multiple procedure rule affect payment?
When other procedures are performed in the same session, the highest-valued procedure is paid in full and the remaining procedures are paid at 50%.
May an assistant or co-surgeon be reported?
Assistant-at-surgery payment requires documentation of medical necessity. Co-surgeons and team surgery are not permitted for this code under the stated CMS rules.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense, and malpractice RVUs, adjusted by each locality’s geographic indices and the applicable conversion factor. Unavailable or separately priced services are labeled rather than assigned a made-up amount.
Source: RVU26D. Effective 2026-10-01 through the day before 2027-01-01.
