$473.33
Use 66720 when the ciliary body is treated with a cryoprobe. Code 66700 represents diathermy treatment.
On this page
CMS RVU26D · Effective 2026-10-01
66720 Ciliary body destruction Medicare reimbursement rates in Colorado
Report cyclocryotherapy when an ophthalmologist freezes ciliary body tissue to reduce aqueous production, typically to manage glaucoma inadequately controlled by other treatment. Compare 66720 office and facility rates across CMS payment localities in Colorado.
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 66720 in Colorado?
Colorado 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
$492.40
1 of 1 localities have a supported rate.
Payment area: Colorado
One mapped payment locality.
Facility setting
$373.34
1 of 1 localities have a supported rate.
Payment area: Colorado
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 66720: Ciliary body cryotherapy for glaucoma
Report cyclocryotherapy when an ophthalmologist freezes ciliary body tissue to reduce aqueous production, typically to manage glaucoma inadequately controlled by other treatment.
An ophthalmologist uses a cryoprobe applied externally over the ciliary body to freeze targeted tissue and reduce aqueous humor production. This cyclocryotherapy procedure is used most often for glaucoma that remains difficult to control, including situations in which conventional pressure-lowering treatment has not achieved adequate control. It is generally performed as an eye surgery in an operating room or ambulatory surgery setting.
Choose this code for the cryotherapy technique, not for ciliary body treatment performed with diathermy or laser. The operative report should identify the treated eye, the ciliary body cryotherapy performed, and the clinical indication. CMS assigns a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and other procedures are subject to the standard 50% reduction. For bilateral treatment reported with modifier 50, CMS pays 150%. Assistant-at-surgery payment is restricted; co-surgeons and team surgery are not permitted.
CMS billing rules for 66720
- Global period
- Major surgery with a 90-day global period: the day-before preoperative visit and 90 days of related postoperative care are 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
- Statutory restriction: assistant at surgery is not paid.
- Co-surgeons
- Co-surgeons not permitted.
- Team surgery
- Team surgery not permitted.
Where the value comes from
- Work RVU4.63 · 33%
- Practice expense (office) RVU9.18 · 65%
- Malpractice RVU0.37 · 3%
115
Medicare services in 2024 · #4774 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.
66720 compared with similar codes
Office rates for Colorado, from the same CMS release.
$461.25
66710 is for transscleral cyclophotocoagulation using laser energy; 66720 is for cryotherapy.
No office rate
66711 represents endoscopic cyclophotocoagulation. Select 66720 when the documented ciliary body treatment is cyclocryotherapy.
Compare 66720 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
Colorado →
Office / nonfacility
$492.40
Facility
$373.34
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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 66720 in Colorado.
PPRRVU2026_Oct_nonQPP.csv
7,390
- Code
- 66720
- Physician work
- 4.63
- Practice expense
- 9.18
- Malpractice
- 0.37
GPCI2026.csv
37
- Locality
- Colorado
- Physician work
- 1.012
- Practice expense
- 1.064
- Malpractice
- 0.781
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 4.63 | × 1.012 | 4.6856 |
| Practice expense | 9.18 | × 1.064 | 9.7675 |
| Malpractice | 0.37 | × 0.781 | 0.2890 |
| Total RVUs | 14.7421 | ||
| Conversion factor | × 33.4009 | ||
Office / nonfacility rate, Colorado$492.40
Explore RVUs, geographic factors and the full formula
Office / nonfacility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 4.63 | 1.012 |
| Practice expense | 9.18 | 1.064 |
| Malpractice | 0.37 | 0.781 |
(4.63 × 1.012 + 9.18 × 1.064 + 0.37 × 0.781) × $33.4009 = $492.40
Facility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 4.63 | 1.012 |
| Practice expense | 5.83 | 1.064 |
| Malpractice | 0.37 | 0.781 |
(4.63 × 1.012 + 5.83 × 1.064 + 0.37 × 0.781) × $33.4009 = $373.34
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.
66720 billing questions
How is 66720 different from transscleral cyclophotocoagulation?
66720 represents ciliary body destruction by freezing with a cryoprobe. Transscleral cyclophotocoagulation uses laser energy and is reported with 66710.
What should the operative note document?
Document the glaucoma indication, the cryotherapy technique, and the eye treated. The record should make clear that ciliary body tissue was treated with cryotherapy rather than diathermy or laser.
Can both eyes be reported on the same date?
For bilateral treatment, report modifier 50; CMS pays the bilateral procedure at 150%. The operative documentation should support treatment of both eyes.
How does the 90-day global period affect postoperative billing?
The day-before preoperative visit and 90 days of related postoperative care are included in the global period.
Can an assistant surgeon or co-surgeon be billed?
CMS does not pay an assistant at surgery for this code. Co-surgeons and team surgery are not permitted.
What happens when another procedure is performed in the same session?
The highest-valued procedure is paid in full, and other procedures are subject to the standard multiple procedure reduction, with payment at 50%.
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.
7,38766700,,Destruction ciliary body,A,,5.01,8.26,,4.63,,0.40,13.67,10.04,0,090,0.10,0.70,0.20,2,1,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
7,38866710,,Ciliary transsleral therapy,A,,5.01,7.92,,4.63,,0.40,13.33,10.04,0,090,0.10,0.70,0.20,2,1,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
7,38966711,,Ecp ciliary body destruction,A,,5.48,7.45,NA,7.45,,0.43,13.36,13.36,0,090,0.10,0.70,0.20,3,1,1,0,0,9,66710,33.4009,09,0,99,0.00,0.00,0.00
7,39066720,,Destruction ciliary body,A,,4.63,9.18,,5.83,,0.37,14.18,10.83,0,090,0.10,0.70,0.20,2,1,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
7,39166740,,Destruction ciliary body,A,,5.01,7.87,,4.63,,0.40,13.28,10.04,0,090,0.10,0.70,0.20,2,1,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
7,39266761,,Revision of iris,A,,2.93,5.81,,2.90,,0.22,8.96,6.05,0,010,0.10,0.80,0.10,2,1,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
7,39366762,,Revision of iris,A,,5.25,8.75,,5.32,,0.42,14.42,10.99,0,090,0.10,0.70,0.20,2,1,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
3401112,CA,69,VISALIA,1.017,1.096,0.536
3501112,CA,70,YUBA CITY,1.017,1.096,0.536
3601112,CA,75,REST OF CALIFORNIA,1.017,1.096,0.536
3704112,CO,01,COLORADO,1.012,1.064,0.781
3813102,CT,00,CONNECTICUT,1.020,1.077,1.210
3912202,DC,01,DC + MD/VA SUBURBS,1.054,1.178,1.113
4012102,DE,01,DELAWARE,1.005,0.988,0.899