CPT code 77321: Radiation plan, special port plan2026 Medicare rate & RVUs in Queens, NY

A special teletherapy port plan supports radiation treatment using nonstandard field arrangements, such as mantle or inverted-Y fields, when standard isodose planning categories do not fit.

CMS RVU26DEffective Oct 1, 2026One payment locality11K Medicare services in 2024

In Queens, NY, Medicare pays $108.50 for 77321 in the office.

$108.50Office (non-facility)
Not available in this settingHospital or facility
+14.8%vs the national office rate ($94.52)

Check a contract rate as a % of Medicare · 77321 nationwide

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

We’ll open 77321 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Queens, NY
  2. What 77321 covers
  3. Compared with other areas
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Related codes
  8. Rate history
  9. Where it applies
  10. Billing questions
  11. Sources

What 77321 covers

A radiation oncologist and the radiation physics team use this planning service to develop a special external-beam treatment arrangement. It is associated with distinctive field designs such as mantle or inverted-Y fields, rather than routine teletherapy isodose plans. The planning work supports the prescribed treatment geometry and dose distribution in radiation oncology settings.

Report 77321 when the documented plan is a special teletherapy port plan, not merely because a conventional plan involves multiple fields or is technically demanding. The record should identify the treatment arrangement and support why this special plan category was used. CMS separately prices the professional and technical components: modifier 26 represents the professional interpretation, and modifier TC represents the technical work, equipment, and staff. Reporting without either modifier represents the global service.

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.

How Queens, NY compares for 77321

Across 109 of 109 payment localities, the office rate for 77321 runs from $85.00 in Arkansas to $124.48 in San Benito County, CA. Queens, NY pays $108.50. The RVUs are the same everywhere; the geographic indexes change the dollars.

77321 in Queens, NY vs other payment areas
  1. Queens, NY · this page$108.50
  2. Manhattan, NY · New York$107.50−$1.00
  3. NYC suburbs and Long Island, NY · New York$109.62+$1.12
  4. Rest of New York · New York$90.94−$17.56
  5. Los Angeles, CA · California$106.54−$1.96
  6. Washington, DC area · District of Columbia$107.39−$1.11

Other areas in New York first, then benchmark localities. Bars start at $0.

Every other payment area

77321 in every other Medicare payment locality
Payment localityOfficeFacility
Miami, FLFlorida$99.61—
Chicago, ILIllinois$97.21—
AlaskaAlaska$113.32—
AlabamaAlabama$86.08—
ArkansasArkansas$85.00—
ArizonaArizona$92.37—
Bakersfield, CACalifornia$100.39—
Chico, CACalifornia$100.21—

77321 rates by state

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

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Local rates. Clear comparisons.

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

$85.00

$113.32

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

View every state and territory as a table
77321 office rate range by state
State / territoryOffice rate rangeLocalities
AK$113.321
AL$86.081
AR$85.001
AZ$92.371
CA$100.21–$124.4829
CO$98.491
CT$100.251
DC$107.391
DE$93.771
FL$92.65–$99.613
GA$88.17–$95.942
GU$102.291
HI$102.291
IA$88.271
ID$88.701
IL$90.09–$97.704
IN$89.161
KS$87.761
KY$87.521
LA$87.35–$91.112
MA$97.96–$107.602
MD$95.44–$107.393
ME$88.95–$93.352
MI$89.36–$93.512
MN$95.141
MO$85.95–$91.563
MS$85.501
MT$94.521
NC$89.781
ND$93.531
NE$88.731
NH$96.851
NJ$101.61–$106.482
NM$89.731
NV$94.311
NY$90.94–$109.625
OH$89.161
OK$87.541
OR$93.78–$101.452
PA$89.37–$97.942
PR$95.181
RI$96.971
SC$89.581
SD$93.421
TN$88.131
TX$88.84–$97.988
UT$90.651
VA$92.98–$107.392
VI$95.181
VT$93.081
WA$97.80–$109.802
WI$90.771
WV$87.151
WY$94.091

See 77321 in every payment locality

How the 77321 rate is calculated

Each of 77321’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 · 77321

RVUs × geographic indexes × conversion factor

Office or facility?

Work0.93

0.93 RVUs× 1.000 GPCI

Practice expense1.85

1.85 RVUs× 1.000 GPCI

Malpractice0.05

0.05 RVUs× 1.000 GPCI

Adjusted RVUs

2.8300

Conversion factor

$33.4009

Medicare rate

$94.52

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

The exact Queens, NY inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

9,068

Code
77321
Physician work
0.93
Practice expense
1.85
Malpractice
0.05

GPCI2026.csv

81

Locality
Queens, NY
Physician work
1.064
Practice expense
1.182
Malpractice
1.442
Office calculation for 77321 in Queens, NY
ComponentRVULocality factorAdjusted
Physician work0.93× 1.0640.9895
Practice expense1.85× 1.1822.1867
Malpractice0.05× 1.4420.0721
Total RVUs3.2483
Conversion factor× 33.4009

Office rate, Queens, NY$108.50

Office: (0.93 × 1.064 + 1.85 × 1.182 + 0.05 × 1.442) × $33.4009 = $108.50

Open 77321 in the RVU calculator

Payment rules and modifiers for 77321

The CMS indicators that decide how 77321 is paid alongside other services.

CMS payment indicators · 77321

Radiation plan, special port plan

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/technical1Diagnostic test with separate professional (26) and technical (TC) components.

What modifiers do to the payment

Modifier 26 · payment effect

With and without the modifier

77321 without 26 · national office

$94.52

Radiation plan, special port plan

77321-26 · Professional component

$49.77

Pays only the interpretation and report.

When to use modifier 26

How 77321 has changed in Queens, NY

77321 · Office / nonfacility

$108.50

Effective 2026-10-01

The base rate is $1.51 higher than on 2025-10-01, moving from $106.99 to $108.50 (1.4%).

It is unchanged from the immediately preceding available release, effective 2026-07-01.

Base rate by release · bars start at $0 · select a bar to compare

One bar per available release, ordered by effective date. Missing rates remain gaps. These comparisons hold the code, setting and locality identifiers constant; they do not isolate which policy or input caused a change.

What changed, release by release
  1. January 1, 2026

    RVU26A

    $106.99changed to$108.50

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 0.95 changed to 0.93
    • Practice expense RVU 1.86 changed to 1.85
    • Work GPCI 1.065 changed to 1.064
    • Practice expense GPCI 1.195 changed to 1.182
    • Malpractice GPCI 1.462 changed to 1.442

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $108.91changed to$106.99

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 1.83 changed to 1.86

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $107.13changed to$108.91

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $111.58changed to$107.13

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 1.80 changed to 1.83
    • Work GPCI 1.061 changed to 1.065
    • Practice expense GPCI 1.212 changed to 1.195
    • Malpractice GPCI 2.061 changed to 1.462
  5. January 1, 2023

    RVU23A

    $113.27changed to$111.58

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 1.74 changed to 1.80
    • Work GPCI 1.056 changed to 1.061
    • Practice expense GPCI 1.228 changed to 1.212
    • Malpractice GPCI 2.661 changed to 2.061

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $114.63changed to$113.27

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 1.75 changed to 1.74

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $114.48changed to$114.63

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 1.67 changed to 1.75
    • Malpractice RVU 0.06 changed to 0.05
    • Work GPCI 1.054 changed to 1.056
    • Practice expense GPCI 1.214 changed to 1.228
    • Malpractice GPCI 2.391 changed to 2.661

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $111.63changed to$114.48

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 1.66 changed to 1.67
    • Malpractice RVU 0.05 changed to 0.06
    • Work GPCI 1.052 changed to 1.054
    • Practice expense GPCI 1.200 changed to 1.214
    • Malpractice GPCI 2.121 changed to 2.391

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $112.37changed to$111.63

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 1.68 changed to 1.66

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $110.36changed to$112.37

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 1.64 changed to 1.68
    • Malpractice GPCI 2.151 changed to 2.121

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $109.23changed to$110.36

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 1.62 changed to 1.64
    • Practice expense GPCI 1.199 changed to 1.200
    • Malpractice GPCI 2.181 changed to 2.151

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $107.90changed to$109.23

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 1.58 changed to 1.62

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $107.37changed to$107.90

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $106.15changed to$107.37

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 1.56 changed to 1.58
    • Work GPCI 1.057 changed to 1.052
    • Practice expense GPCI 1.197 changed to 1.199
    • Malpractice GPCI 1.836 changed to 2.181

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $104.76changed to$106.15

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 1.67 changed to 1.56
    • Work GPCI 1.062 changed to 1.057
    • Practice expense GPCI 1.195 changed to 1.197
    • Malpractice GPCI 1.491 changed to 1.836

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: $104.76

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$108.50Not available in this settingRVU26D
2026-07-01$108.50Not available in this settingRVU26C
2026-04-01$108.50Not available in this settingRVU26B
2026-01-01$108.50Not available in this settingRVU26A
2025-10-01$106.99Not available in this settingRVU25D
2025-07-01$106.99Not available in this settingRVU25C
2025-04-01$106.99Not available in this settingRVU25B
2025-01-01$106.99Not available in this settingRVU25A
2024-10-01$108.91Not available in this settingRVU24D
2024-07-01$108.91Not available in this settingRVU24C
2024-04-01$108.91Not available in this settingRVU24B
2024-03-09$108.91Not available in this settingRVU24AR
2024-01-01$107.13Not available in this settingRVU24A
2023-10-01$111.58Not available in this settingRVU23D
2023-07-01$111.58Not available in this settingRVU23C
2023-04-01$111.58Not available in this settingRVU23B
2023-01-01$111.58Not available in this settingRVU23A
2022-10-01$113.27Not available in this settingRVU22D
2022-07-01$113.27Not available in this settingRVU22C
2022-04-01$113.27Not available in this settingRVU22B
2022-01-01$113.27Not available in this settingRVU22A
2021-10-01$114.63Not available in this settingRVU21D
2021-07-01$114.63Not available in this settingRVU21C
2021-04-01$114.63Not available in this settingRVU21B
2021-01-01$114.63Not available in this settingRVU21A
2020-10-01$114.48Not available in this settingRVU20D
2020-07-01$114.48Not available in this settingRVU20C
2020-04-01$114.48Not available in this settingRVU20B
2020-01-01$114.48Not available in this settingRVU20A
2019-10-01$111.63Not available in this settingRVU19D
2019-07-01$111.63Not available in this settingRVU19C
2019-04-01$111.63Not available in this settingRVU19B
2019-01-01$111.63Not available in this settingRVU19A
2018-10-01$112.37Not available in this settingRVU18D
2018-07-01$112.37Not available in this settingRVU18C
2018-04-01$112.37Not available in this settingRVU18B
2018-01-01$112.37Not available in this settingRVU18AR1
2017-10-01$110.36Not available in this settingRVU17D
2017-07-01$110.36Not available in this settingRVU17C
2017-04-01$110.36Not available in this settingRVU17B
2017-01-01$110.36Not available in this settingRVU17A
2016-10-01$109.23Not available in this settingRVU16D
2016-07-01$109.23Not available in this settingRVU16C
2016-04-01$109.23Not available in this settingRVU16B
2016-01-01$109.23Not available in this settingRVU16A
2015-10-01$107.90Not available in this settingRVU15D
2015-07-01$107.90Not available in this settingRVU15C
2015-04-01$107.37Not available in this settingRVU15B
2015-01-01$107.37Not available in this settingRVU15A
2014-10-01$106.15Not available in this settingRVU14D
2014-07-01$106.15Not available in this settingRVU14C
2014-04-01$106.15Not available in this settingRVU14B
2014-01-01$106.15Not available in this settingRVU14A
2013-10-01$104.76Not available in this settingRVU13D
2013-07-01$104.76Not available in this settingRVU13C
2013-04-01$104.76Not available in this settingRVU13B
2013-01-01$104.76Not available in this settingRVU13AR

Price 77321 for an earlier date of service

Where the Queens, NY rate applies

Queens, NY is a Medicare payment area, not a city. Our Census mapping connects it to 1 cities and communities in New York. Some span more than one payment area; confirm with the service ZIP.

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77321 billing questions

When should 77321 be chosen instead of 77306 or 77307?

Use 77321 for a special teletherapy port arrangement, such as a mantle or inverted-Y field. Codes 77306 and 77307 describe simple or complex teletherapy isodose plans, respectively.

Does a plan qualify for 77321 just because it is complex?

No. The documentation should support a special port plan, rather than relying only on the number of fields or the general difficulty of planning.

How are the professional and technical components reported?

Modifier 26 identifies the professional component, and modifier TC identifies the technical component. Without either modifier, the claim represents the global service.

Can 77300 be reported with 77321?

A separately performed basic radiation dosimetry calculation may be reported with the plan when the record supports that distinct work.

What documentation supports 77321?

Document the special field arrangement and the planning work performed. The record should make clear why the service is a special port plan rather than a routine simple or complex isodose plan.

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 77321PPRRVU2026_Oct_nonQPP.csv, line 9,068 (RVU26D)
Geographic factors for Queens, NYGPCI2026.csv, line 81 (RVU26D)

Open CMS sourceHow we calculate rates

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