Billing code 77402: Radiation deliveryMedicare rate & RVUs

Report level 1 radiation treatment delivery for a simple external-beam treatment session, with the technical service distinguished from separately coded interpretation.

CMS RVU26DEffective Oct 1, 2026109 payment localities

Medicare pays $82.17 for 77402 nationally in the office. Local office rates run $70.35–$117.88.

Medicare rate · 77402

Radiation delivery

Work RVUs
0
Total RVUs
2.46
Global days
XXX

National rate · 2026

$82.17

Office setting, before claim adjustments.

See every locality for 77402 →Billed by an NP, PA or therapist? →

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

On this page 10 sections
  1. Medicare rate
  2. What 77402 covers
  3. By payment locality
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Similar codes
  8. Related codes
  9. Billing questions
  10. Sources

What 77402 covers

This code represents the technical delivery of a simple external-beam radiation treatment session. Radiation therapists typically operate the treatment equipment in a radiation oncology department, following the radiation oncologist’s prescription and treatment plan. The level reflects delivery complexity; the diagnosis or body site alone does not determine the level. The session record should show the treatment delivered and the technical details supporting level 1 rather than a higher-complexity delivery code.

Report the code for the qualifying delivery session, not separately for each beam or port. Documentation should support the delivered treatment and its level. CMS classifies 77402 as technical-component-only: a separate code covers interpretation, so this code does not represent the physician’s interpretive service. CMS assigns no physician work RVU to the delivery code; its payment valuation reflects practice expense and malpractice components.

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.

Where 77402 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 payment localities

$70.35 to $117.88

$70.35$94.11$117.88
One dot per payment locality, office / nonfacility. Hover a dot to see the locality; select it to open that rate.

109 of 109 payment localities

77402 office and facility rates by payment locality
Payment localityOfficeFacility
Alabama$71.69Unavailable
Alaska*$87.16Unavailable
Arizona$79.54Unavailable
Arkansas$70.35Unavailable
Atlanta$83.60Unavailable
Austin$86.82Unavailable
Bakersfield$89.73Unavailable
Baltimore/Surr. Cntys$88.27Unavailable
Beaumont$74.78Unavailable
Brazoria$81.29Unavailable

77402 rates by state

Office rate range in each state. Select a state to see its payment localities.

Explore a state

Local rates. Clear comparisons.

Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.

$70.35

$103.78

Color shows the midpoint of each state’s locality range.

View every state and territory as a table
77402 office rate range by state
State / territoryOffice rate rangeLocalities
AK$87.161
AL$71.691
AR$70.351
AZ$79.541
CA$89.68–$117.8829
CO$87.241
CT$88.581
DC$96.751
DE$81.121
FL$78.92–$86.533
GA$73.49–$83.602
GU$93.051
HI$93.051
IA$74.841
ID$75.291
IL$75.45–$84.884
IN$75.871
KS$74.011
KY$73.061
LA$72.77–$77.452
MA$86.35–$97.902
MD$83.09–$96.753
ME$75.39–$81.192
MI$75.16–$79.772
MN$84.061
MO$70.90–$78.263
MS$70.661
MT$82.161
NC$76.461
ND$81.771
NE$75.481
NH$85.421
NJ$89.73–$95.252
NM$75.541
NV$82.141
NY$77.89–$98.145
OH$75.081
OK$73.301
OR$81.64–$91.042
PA$75.45–$85.642
PR$83.051
RI$84.781
SC$75.871
SD$81.721
TN$74.441
TX$74.78–$86.828
UT$77.211
VA$80.58–$96.752
VI$83.051
VT$81.021
WA$86.33–$100.542
WI$78.281
WV$71.781
WY$81.991

How the 77402 rate is calculated

Each of 77402’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

How the rate is built · 77402

RVUs × geographic indexes × conversion factor

Work0.00

0.00 RVUs× 1.000 GPCI

Practice expense2.44

2.44 RVUs× 1.000 GPCI

Malpractice0.02

0.02 RVUs× 1.000 GPCI

Adjusted RVUs

2.4600

Conversion factor

$33.4009

Medicare rate

$82.17

Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.

Payment rules and modifiers for 77402

The CMS indicators that decide how 77402 is paid alongside other services.

CMS payment indicators · 77402

Radiation delivery

RuleCMS valueWhat it means
Global periodXXXThe global surgery concept doesn’t apply.
Multiple procedures0No multiple-procedure reduction.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
Assistant at surgery (80/81/82/AS)0Not paid without supporting documentation.
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical3Technical component only.

77402 compared with similar codes

Compare codes · National

5 codes, side by side

  • 77402

    Radiation delivery0 wRVU

    $82.17

  • 77407

    Radiation delivery0 wRVU

    $309.96+$227.79

  • 77412

    Radiation delivery0 wRVU

    $443.56+$361.39

  • 77417

    Not on the physician fee schedule0 wRVU

    Not priced

  • 77427

    Radiation treatment management3.37 wRVU

    $195.40+$113.23

How to choose

77407Radiation delivery
Use 77407 when the treatment delivery meets level 2 complexity. The session’s technical details, rather than its diagnosis or site, distinguish it from level 1.
77412Radiation delivery
Use 77412 for level 3 delivery complexity; 77402 represents the level 1 service.
77417Ther radiology port image(s)
77417 reports port imaging, not delivery of radiation treatment. Use 77402 for the level 1 delivery session.
77427Radiation treatment management
77427 represents radiation treatment management, while 77402 reports the technical delivery of a level 1 treatment session.

77402 billing questions

How is level 1 distinguished from levels 2 and 3?

Choose the level that matches the technical complexity of the delivered treatment, not the diagnosis or treatment site alone. The treatment record should support why the session meets level 1 rather than a higher level.

Is 77402 reported for each beam or port?

No. It represents the qualifying delivery session; do not count each beam or port as a separate unit.

Does 77402 include the physician’s interpretation?

No. CMS classifies it as a technical-component-only code, and a separate code covers interpretation.

What documentation supports reporting 77402?

The treatment record should identify the delivered session and include technical details that support level 1. The record should also allow the reported delivery level to be distinguished from levels 2 and 3.

Is 77417 the same service as 77402?

No. 77402 reports radiation treatment delivery; 77417 represents therapeutic radiology port imaging when that imaging service is performed.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Show the CMS file lines behind this rate
RVUs for 77402PPRRVU2026_Oct_nonQPP.csv, line 9,097 (RVU26D)

Open CMS sourceHow we calculate rates

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