$88.58
77402 represents level 1 radiation treatment delivery. Use 77470 for additional work associated with a special treatment circumstance, not for routine delivery.
On this page
CMS RVU26D · Effective 2026-10-01
77470 Special radiation Medicare reimbursement rates in Connecticut
Reports additional work for an unusual or complex radiation treatment circumstance, such as total body irradiation or radiation delivered with concurrent chemotherapy. Compare 77470 office and facility rates across CMS payment localities in Connecticut.
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 77470 in Connecticut?
Connecticut 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
$152.80
1 of 1 localities have a supported rate.
Payment area: Connecticut
One mapped payment locality.
Facility setting
No supported rate
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.
Radiation oncology
About 77470: Special radiation treatment procedure
Reports additional work for an unusual or complex radiation treatment circumstance, such as total body irradiation or radiation delivered with concurrent chemotherapy.
A radiation oncologist reports this service when a treatment circumstance requires substantial work beyond the usual radiation planning and treatment process. Examples include total body irradiation, hemibody irradiation, hyperthermia combined with radiation, or coordinating radiation with concurrent chemotherapy. The added work may involve specialized preparation, coordination, or treatment considerations; the specific circumstance and work performed should be evident in the record.
Report 77470 for the additional special-treatment work, not as a substitute for applicable radiation delivery or management services. Documentation should explain why the case required extra effort and describe the work attributable to that circumstance. CMS identifies professional and technical components: modifier 26 represents the professional interpretation, modifier TC represents equipment and staff, and an unmodified claim represents the global service. The CMS file lists both modifiers as separately priced.
CMS billing rules for 77470
- Professional and technical components
- Diagnostic test with a professional component (modifier 26, interpretation) and a technical component (modifier TC, equipment and staff); billing without a modifier is the global service.
Where the value comes from
- Work RVU1.98 · 46%
- Practice expense (office) RVU2.26 · 52%
- Malpractice RVU0.10 · 2%
83.5K
Medicare services in 2024 · #616 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.
77470 compared with similar codes
Office rates for Connecticut, from the same CMS release.
$205.18
77427 represents radiation treatment management in five-treatment increments. 77470 represents additional work for special treatment circumstances.
$444.87
77432 describes stereotactic radiation treatment. 77470 captures extra work for a special treatment circumstance and is not a stereotactic treatment code.
$672.74
77435 describes management of stereotactic body radiation therapy. 77470 is distinguished by additional special-treatment work rather than SBRT management.
Compare 77470 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
Connecticut →
Office / nonfacility
$152.80
Facility
Unavailable
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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 77470 in Connecticut.
PPRRVU2026_Oct_nonQPP.csv
9,117
- Code
- 77470
- Physician work
- 1.98
- Practice expense
- 2.26
- Malpractice
- 0.10
GPCI2026.csv
38
- Locality
- Connecticut
- Physician work
- 1.020
- Practice expense
- 1.077
- Malpractice
- 1.210
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 1.98 | × 1.020 | 2.0196 |
| Practice expense | 2.26 | × 1.077 | 2.4340 |
| Malpractice | 0.10 | × 1.210 | 0.1210 |
| Total RVUs | 4.5746 | ||
| Conversion factor | × 33.4009 | ||
Office / nonfacility rate, Connecticut$152.80
Explore RVUs, geographic factors and the full formula
Office / nonfacility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 1.98 | 1.02 |
| Practice expense | 2.26 | 1.077 |
| Malpractice | 0.1 | 1.21 |
(1.98 × 1.02 + 2.26 × 1.077 + 0.1 × 1.21) × $33.4009 = $152.80
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.
77470 billing questions
How is 77470 different from a radiation delivery code?
77470 represents additional work tied to a special treatment circumstance. Codes such as 77402, 77407, and 77412 describe radiation treatment delivery at different levels.
Can 77470 be reported with radiation delivery?
It may be reported with the applicable delivery service when the record supports additional special-treatment work. It does not replace the code for treatment delivery.
What documentation supports 77470?
Document the unusual treatment circumstance, why it required work beyond the usual process, and the additional work performed. Naming a complex diagnosis alone does not explain the service.
When should modifier 26 or TC be used?
CMS identifies modifier 26 for the professional interpretation and modifier TC for equipment and staff. Without either modifier, the claim represents the global service.
Is 77470 the code for routine radiation treatment management?
No. Routine management is represented by applicable management services, such as 77427 for radiation treatment management reported in five-treatment increments. 77470 addresses added work for a special treatment circumstance.
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.
9,11477439,26,Surf rad thr img gdn us plmt,A,,0.30,0.18,,0.18,,0.00,0.48,0.48,1,ZZZ,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
9,11577439,TC,Surf rad thr img gdn us plmt,B,,0.00,0.00,,0.00,NA,0.00,0.00,0.00,1,ZZZ,0.00,0.00,0.00,9,9,9,9,9,9,,33.4009,09,0,99,0.00,0.00,0.00
9,11677469,,Io radiation tx management,A,,5.61,1.93,NA,1.93,,0.44,7.98,7.98,0,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
9,11777470,,Special radiation treatment,A,,1.98,2.26,,2.26,NA,0.10,4.34,4.34,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
9,11877470,26,Special radiation treatment,A,,1.98,1.12,,1.12,,0.08,3.18,3.18,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
9,11977470,TC,Special radiation treatment,A,,0.00,1.14,,1.14,NA,0.02,1.16,1.16,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
9,12077499,,Unlisted px ther rad tx mgmt,C,,0.00,0.00,,0.00,NA,0.00,0.00,0.00,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
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
4109102,FL,03,FORT LAUDERDALE,1.000,1.013,1.808