CPT code 93931: Arterial duplex, unilateral or limited study2026 Medicare rate & RVUs in Puerto Rico
Duplex ultrasound evaluates arteries or an arterial bypass graft in one upper extremity, or a limited portion of the upper extremity arterial system.
In Puerto Rico, Medicare pays $122.00 for 93931 in the office.
Check a contract rate as a % of Medicare · 93931 nationwide
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 11 sections
What 93931 covers
This service uses ultrasound imaging and Doppler assessment to evaluate blood flow in upper extremity arteries or an arterial bypass graft. It may help investigate arm or hand ischemia, diminished pulses, or suspected arterial narrowing or blockage. A vascular sonographer typically acquires the images and waveforms in a vascular laboratory or imaging department, and a qualified practitioner interprets the study.
Report 93931 for a unilateral examination or a limited study; a complete bilateral examination is represented by 93930. Documentation should identify the side and extent examined, the clinical reason, and the findings supporting the interpretation. The service may be billed globally when one entity provides both portions, or split with modifier 26 for the professional interpretation and modifier TC for the technical service, including equipment and staff. When multiple cardiovascular diagnostic procedures are performed, the multiple procedure reduction applies to the technical component.
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 Puerto Rico compares for 93931
Across 109 of 109 payment localities, the office rate for 93931 runs from $105.37 in Arkansas to $166.80 in San Benito County, CA. Puerto Rico pays $122.00. The RVUs are the same everywhere; the geographic indexes change the dollars.
- Puerto Rico · this page$122.00
- Los Angeles, CA · California$139.50+$17.50
- Washington, DC area · District of Columbia$140.25+$18.25
- Miami, FL · Florida$128.68+$6.68
- Chicago, IL · Illinois$124.56+$2.56
- Manhattan, NY · New York$139.89+$17.89
- Alaska · Alaska$134.69+$12.69
Other areas in Puerto Rico first, then benchmark localities. Bars start at $0.
Every other payment area
| Payment locality | Office | Facility |
|---|---|---|
| AlabamaAlabama | $107.12 | — |
| ArkansasArkansas | $105.37 | — |
| ArizonaArizona | $117.41 | — |
| Bakersfield, CACalifornia | $130.12 | — |
| Chico, CACalifornia | $129.92 | — |
| El Centro, CACalifornia | $129.93 | — |
| Fresno, CACalifornia | $129.92 | — |
| Hanford, CACalifornia | $129.92 | — |
| Madera, CACalifornia | $129.92 | — |
| Merced, CACalifornia | $129.92 | — |
| Modesto, CACalifornia | $129.92 | — |
| Napa, CACalifornia | $153.29 | — |
| Oxnard, CACalifornia | $139.09 | — |
| Redding, CACalifornia | $129.92 | — |
| Rest of CaliforniaCalifornia | $129.92 | — |
| Riverside, CACalifornia | $130.67 | — |
| Sacramento, CACalifornia | $137.08 | — |
| Salinas, CACalifornia | $136.58 | — |
| San Diego, CACalifornia | $140.36 | — |
| Marin County, CACalifornia | $163.11 | — |
| San Francisco, CACalifornia | $163.03 | — |
| San Benito County, CACalifornia | $166.80 | — |
| Santa Clara County, CACalifornia | $166.48 | — |
| San Luis Obispo, CACalifornia | $134.31 | — |
| Santa Cruz, CACalifornia | $142.14 | — |
| Santa Maria, CACalifornia | $137.25 | — |
| Santa Rosa, CACalifornia | $143.62 | — |
| Stockton, CACalifornia | $129.92 | — |
| Vallejo, CACalifornia | $153.18 | — |
| Visalia, CACalifornia | $129.92 | — |
| Yuba City, CACalifornia | $129.92 | — |
| ColoradoColorado | $127.14 | — |
| ConnecticutConnecticut | $129.60 | — |
| DelawareDelaware | $119.53 | — |
| Fort Lauderdale, FLFlorida | $124.13 | — |
| Rest of FloridaFlorida | $117.59 | — |
| Atlanta, GAGeorgia | $123.07 | — |
| Rest of GeorgiaGeorgia | $110.32 | — |
| Hawaii, Guam, HIHawaii | $133.93 | — |
| IowaIowa | $110.81 | — |
| IdahoIdaho | $111.50 | — |
| East St. Louis, ILIllinois | $115.11 | — |
| Rest of IllinoisIllinois | $113.34 | — |
| Suburban Chicago, ILIllinois | $125.59 | — |
| IndianaIndiana | $112.25 | — |
| KansasKansas | $109.94 | — |
| KentuckyKentucky | $109.37 | — |
| New Orleans, LALouisiana | $115.20 | — |
| Rest of LouisianaLouisiana | $109.06 | — |
| Metropolitan Boston, MAMassachusetts | $141.15 | — |
| Rest of MassachusettsMassachusetts | $126.12 | — |
| Baltimore area, MDMaryland | $129.19 | — |
| Rest of MarylandMaryland | $122.11 | — |
| Rest of MaineMaine | $111.85 | — |
| Southern Maine, MEMaine | $119.13 | — |
| Detroit, MIMichigan | $118.94 | — |
| Rest of MichiganMichigan | $112.32 | — |
| MinnesotaMinnesota | $122.23 | — |
| Metropolitan Kansas City, MOMissouri | $114.62 | — |
| Metropolitan St. Louis, MOMissouri | $116.01 | — |
| Rest of MissouriMissouri | $106.75 | — |
| MississippiMississippi | $106.09 | — |
| MontanaMontana | $120.91 | — |
| North CarolinaNorth Carolina | $113.22 | — |
| North DakotaNorth Dakota | $119.52 | — |
| NebraskaNebraska | $111.59 | — |
| New HampshireNew Hampshire | $124.81 | — |
| Northern New JerseyNew Jersey | $138.45 | — |
| Rest of New JerseyNew Jersey | $131.20 | — |
| New MexicoNew Mexico | $112.90 | — |
| NevadaNevada | $120.62 | — |
| NYC suburbs and Long Island, NYNew York | $143.28 | — |
| Poughkeepsie and northern NYC suburbs, NYNew York | $131.85 | — |
| Queens, NYNew York | $141.59 | — |
| Rest of New YorkNew York | $115.11 | — |
| OhioOhio | $112.04 | — |
| OklahomaOklahoma | $109.45 | — |
| Portland, OROregon | $131.92 | — |
| Rest of OregonOregon | $119.81 | — |
| Metropolitan Philadelphia, PAPennsylvania | $125.85 | — |
| Rest of PennsylvaniaPennsylvania | $112.40 | — |
| Rhode IslandRhode Island | $124.34 | — |
| South CarolinaSouth Carolina | $112.79 | — |
| South DakotaSouth Dakota | $119.36 | — |
| TennesseeTennessee | $110.53 | — |
| Austin, TXTexas | $126.61 | — |
| Beaumont, TXTexas | $111.55 | — |
| Brazoria, TXTexas | $119.61 | — |
| Dallas, TXTexas | $120.32 | — |
| Fort Worth, TXTexas | $119.33 | — |
| Galveston, TXTexas | $119.92 | — |
| Houston, TXTexas | $121.21 | — |
| Rest of TexasTexas | $115.47 | — |
| UtahUtah | $114.54 | — |
| VirginiaVirginia | $118.49 | — |
| Virgin Islands, VIUnited States Virgin Islands | $122.00 | — |
| VermontVermont | $118.73 | — |
| Rest of WashingtonWashington | $125.98 | — |
| King County, WAWashington | $144.50 | — |
| WisconsinWisconsin | $115.00 | — |
| West VirginiaWest Virginia | $108.53 | — |
| WyomingWyoming | $120.30 | — |
93931 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.
$105.37
$148.36
Color shows the midpoint of each state’s locality range.
View every state and territory as a table
| State / territory | Office rate range | Localities |
|---|---|---|
| AK | $134.69 | 1 |
| AL | $107.12 | 1 |
| AR | $105.37 | 1 |
| AZ | $117.41 | 1 |
| CA | $129.92–$166.80 | 29 |
| CO | $127.14 | 1 |
| CT | $129.60 | 1 |
| DC | $140.25 | 1 |
| DE | $119.53 | 1 |
| FL | $117.59–$128.68 | 3 |
| GA | $110.32–$123.07 | 2 |
| GU | $133.93 | 1 |
| HI | $133.93 | 1 |
| IA | $110.81 | 1 |
| ID | $111.50 | 1 |
| IL | $113.34–$125.59 | 4 |
| IN | $112.25 | 1 |
| KS | $109.94 | 1 |
| KY | $109.37 | 1 |
| LA | $109.06–$115.20 | 2 |
| MA | $126.12–$141.15 | 2 |
| MD | $122.11–$140.25 | 3 |
| ME | $111.85–$119.13 | 2 |
| MI | $112.32–$118.94 | 2 |
| MN | $122.23 | 1 |
| MO | $106.75–$116.01 | 3 |
| MS | $106.09 | 1 |
| MT | $120.91 | 1 |
| NC | $113.22 | 1 |
| ND | $119.52 | 1 |
| NE | $111.59 | 1 |
| NH | $124.81 | 1 |
| NJ | $131.20–$138.45 | 2 |
| NM | $112.90 | 1 |
| NV | $120.62 | 1 |
| NY | $115.11–$143.28 | 5 |
| OH | $112.04 | 1 |
| OK | $109.45 | 1 |
| OR | $119.81–$131.92 | 2 |
| PA | $112.40–$125.85 | 2 |
| PR | $122.00 | 1 |
| RI | $124.34 | 1 |
| SC | $112.79 | 1 |
| SD | $119.36 | 1 |
| TN | $110.53 | 1 |
| TX | $111.55–$126.61 | 8 |
| UT | $114.54 | 1 |
| VA | $118.49–$140.25 | 2 |
| VI | $122.00 | 1 |
| VT | $118.73 | 1 |
| WA | $125.98–$144.50 | 2 |
| WI | $115.00 | 1 |
| WV | $108.53 | 1 |
| WY | $120.30 | 1 |
How the 93931 rate is calculated
Each of 93931’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 · 93931
RVUs × geographic indexes × conversion factor
Work0.49
0.49 RVUs× 1.000 GPCI
Practice expense3.06
3.06 RVUs× 1.000 GPCI
Malpractice0.07
0.07 RVUs× 1.000 GPCI
Adjusted RVUs
3.6200
Conversion factor
$33.4009
Medicare rate
$120.91
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
The exact Puerto Rico inputs and CMS source lines
PPRRVU2026_Oct_nonQPP.csv
12,323
- Code
- 93931
- Physician work
- 0.49
- Practice expense
- 3.06
- Malpractice
- 0.07
GPCI2026.csv
91
- Locality
- Puerto Rico
- Physician work
- 1.000
- Practice expense
- 1.011
- Malpractice
- 0.985
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 0.49 | × 1.000 | 0.4900 |
| Practice expense | 3.06 | × 1.011 | 3.0937 |
| Malpractice | 0.07 | × 0.985 | 0.0690 |
| Total RVUs | 3.6526 | ||
| Conversion factor | × 33.4009 | ||
Office rate, Puerto Rico$122.00
Office: (0.49 × 1 + 3.06 × 1.011 + 0.07 × 0.985) × $33.4009 = $122.00
Payment rules and modifiers for 93931
The CMS indicators that decide how 93931 is paid alongside other services.
CMS payment indicators · 93931
Arterial duplex, unilateral or limited study
| Rule | CMS value | What it means |
|---|---|---|
| Global period | XXX | The global surgery concept doesn’t apply. |
| Multiple procedures | 6 | Diagnostic cardiovascular reduction applies to the technical component. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 1 | Diagnostic test with separate professional (26) and technical (TC) components. |
What modifiers do to the payment
Modifier 26 · payment effect
With and without the modifier
93931 without 26 · national office
$120.91
Arterial duplex, unilateral or limited study
93931-26 · Professional component
$22.71
Pays only the interpretation and report.
How 93931 has changed in Puerto Rico
93931 · Office / nonfacility
$122.00
Effective 2026-10-01
The base rate is $2.94 higher than on 2025-10-01, moving from $119.06 to $122.00 (2.5%).
It is unchanged from the immediately preceding available release, effective 2026-07-01.
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
January 1, 2026
RVU26A
$119.06changed to$122.00
- Conversion factor 32.3465 changed to 33.4009
- Work RVU 0.50 changed to 0.49
- Practice expense RVU 3.10 changed to 3.06
- Malpractice RVU 0.06 changed to 0.07
- Practice expense GPCI 1.007 changed to 1.011
- Malpractice GPCI 0.982 changed to 0.985
Held through RVU26B, RVU26C, RVU26D.
January 1, 2025
RVU25A
$124.19changed to$119.06
- Conversion factor 33.2875 changed to 32.3465
- Practice expense RVU 3.14 changed to 3.10
- Malpractice RVU 0.07 changed to 0.06
Held through RVU25B, RVU25C, RVU25D.
March 9, 2024
RVU24AR
$122.16changed to$124.19
- Conversion factor 32.7442 changed to 33.2875
Held through RVU24B, RVU24C, RVU24D.
January 1, 2024
RVU24A
$126.20changed to$122.16
- Conversion factor 33.8872 changed to 32.7442
- Malpractice RVU 0.06 changed to 0.07
- Practice expense GPCI 1.008 changed to 1.007
- Malpractice GPCI 0.984 changed to 0.982
October 1, 2023
RVU23D
$125.38changed to$126.20
- Practice expense GPCI 1.000 changed to 1.008
- Malpractice GPCI 1.000 changed to 0.984
January 1, 2023
RVU23A
$130.27changed to$125.38
- Conversion factor 34.6062 changed to 33.8872
- Practice expense RVU 3.17 changed to 3.14
- Malpractice RVU 0.07 changed to 0.06
- Practice expense GPCI 1.008 changed to 1.000
- Malpractice GPCI 0.986 changed to 1.000
Held through RVU23B, RVU23C.
January 1, 2022
RVU22A
$132.76changed to$130.27
- Conversion factor 34.8931 changed to 34.6062
- Practice expense RVU 3.21 changed to 3.17
Held through RVU22B, RVU22C, RVU22D.
January 1, 2021
RVU21A
$132.22changed to$132.76
- Conversion factor 36.0896 changed to 34.8931
- Practice expense RVU 3.07 changed to 3.21
- Malpractice GPCI 0.988 changed to 0.986
Held through RVU21B, RVU21C, RVU21D.
January 1, 2020
RVU20A
$131.57changed to$132.22
- Conversion factor 36.0391 changed to 36.0896
- Malpractice RVU 0.06 changed to 0.07
- Practice expense GPCI 1.007 changed to 1.008
- Malpractice GPCI 0.990 changed to 0.988
Held through RVU20B, RVU20C, RVU20D.
January 1, 2019
RVU19A
$134.33changed to$131.57
- Conversion factor 35.9996 changed to 36.0391
- Practice expense RVU 3.15 changed to 3.07
Held through RVU19B, RVU19C, RVU19D.
January 1, 2018
RVU18AR1
$113.95changed to$134.33
- Conversion factor 35.8887 changed to 35.9996
- Practice expense RVU 3.08 changed to 3.15
- Practice expense GPCI 0.856 changed to 1.007
- Malpractice GPCI 0.642 changed to 0.990
Held through RVU18B, RVU18C, RVU18D.
January 1, 2017
RVU17A
$97.29changed to$113.95
- Conversion factor 35.8043 changed to 35.8887
- Practice expense RVU 3.12 changed to 3.08
- Practice expense GPCI 0.705 changed to 0.856
- Malpractice GPCI 0.293 changed to 0.642
Held through RVU17B, RVU17C, RVU17D.
January 1, 2016
RVU16A
$97.64changed to$97.29
- Conversion factor 35.9335 changed to 35.8043
Held through RVU16B, RVU16C, RVU16D.
July 1, 2015
RVU15C
$97.15changed to$97.64
- Conversion factor 35.7547 changed to 35.9335
Held through RVU15D.
January 1, 2015
RVU15A
No ratechanged to$97.15
Held through RVU15B.
January 1, 2013
RVU13AR
Earliest loaded release: No rate
Held through RVU13B, RVU13C, RVU13D, RVU14A, RVU14B, RVU14C, RVU14D.
| Effective from | Office | Facility | CMS release |
|---|---|---|---|
| 2026-10-01 | $122.00 | Not available in this setting | RVU26D |
| 2026-07-01 | $122.00 | Not available in this setting | RVU26C |
| 2026-04-01 | $122.00 | Not available in this setting | RVU26B |
| 2026-01-01 | $122.00 | Not available in this setting | RVU26A |
| 2025-10-01 | $119.06 | Not available in this setting | RVU25D |
| 2025-07-01 | $119.06 | Not available in this setting | RVU25C |
| 2025-04-01 | $119.06 | Not available in this setting | RVU25B |
| 2025-01-01 | $119.06 | Not available in this setting | RVU25A |
| 2024-10-01 | $124.19 | Not available in this setting | RVU24D |
| 2024-07-01 | $124.19 | Not available in this setting | RVU24C |
| 2024-04-01 | $124.19 | Not available in this setting | RVU24B |
| 2024-03-09 | $124.19 | Not available in this setting | RVU24AR |
| 2024-01-01 | $122.16 | Not available in this setting | RVU24A |
| 2023-10-01 | $126.20 | Not available in this setting | RVU23D |
| 2023-07-01 | $125.38 | Not available in this setting | RVU23C |
| 2023-04-01 | $125.38 | Not available in this setting | RVU23B |
| 2023-01-01 | $125.38 | Not available in this setting | RVU23A |
| 2022-10-01 | $130.27 | Not available in this setting | RVU22D |
| 2022-07-01 | $130.27 | Not available in this setting | RVU22C |
| 2022-04-01 | $130.27 | Not available in this setting | RVU22B |
| 2022-01-01 | $130.27 | Not available in this setting | RVU22A |
| 2021-10-01 | $132.76 | Not available in this setting | RVU21D |
| 2021-07-01 | $132.76 | Not available in this setting | RVU21C |
| 2021-04-01 | $132.76 | Not available in this setting | RVU21B |
| 2021-01-01 | $132.76 | Not available in this setting | RVU21A |
| 2020-10-01 | $132.22 | Not available in this setting | RVU20D |
| 2020-07-01 | $132.22 | Not available in this setting | RVU20C |
| 2020-04-01 | $132.22 | Not available in this setting | RVU20B |
| 2020-01-01 | $132.22 | Not available in this setting | RVU20A |
| 2019-10-01 | $131.57 | Not available in this setting | RVU19D |
| 2019-07-01 | $131.57 | Not available in this setting | RVU19C |
| 2019-04-01 | $131.57 | Not available in this setting | RVU19B |
| 2019-01-01 | $131.57 | Not available in this setting | RVU19A |
| 2018-10-01 | $134.33 | Not available in this setting | RVU18D |
| 2018-07-01 | $134.33 | Not available in this setting | RVU18C |
| 2018-04-01 | $134.33 | Not available in this setting | RVU18B |
| 2018-01-01 | $134.33 | Not available in this setting | RVU18AR1 |
| 2017-10-01 | $113.95 | Not available in this setting | RVU17D |
| 2017-07-01 | $113.95 | Not available in this setting | RVU17C |
| 2017-04-01 | $113.95 | Not available in this setting | RVU17B |
| 2017-01-01 | $113.95 | Not available in this setting | RVU17A |
| 2016-10-01 | $97.29 | Not available in this setting | RVU16D |
| 2016-07-01 | $97.29 | Not available in this setting | RVU16C |
| 2016-04-01 | $97.29 | Not available in this setting | RVU16B |
| 2016-01-01 | $97.29 | Not available in this setting | RVU16A |
| 2015-10-01 | $97.64 | Not available in this setting | RVU15D |
| 2015-07-01 | $97.64 | Not available in this setting | RVU15C |
| 2015-04-01 | $97.15 | Not available in this setting | RVU15B |
| 2015-01-01 | $97.15 | Not available in this setting | RVU15A |
| 2014-10-01 | Additional calculation required | Not available in this setting | RVU14D |
| 2014-07-01 | Additional calculation required | Not available in this setting | RVU14C |
| 2014-04-01 | Additional calculation required | Not available in this setting | RVU14B |
| 2014-01-01 | Additional calculation required | Not available in this setting | RVU14A |
| 2013-10-01 | Additional calculation required | Not available in this setting | RVU13D |
| 2013-07-01 | Additional calculation required | Not available in this setting | RVU13C |
| 2013-04-01 | Additional calculation required | Not available in this setting | RVU13B |
| 2013-01-01 | Additional calculation required | Not available in this setting | RVU13AR |
Where the Puerto Rico rate applies
Puerto Rico is a Medicare payment area, not a city. Our Census mapping connects it to 292 cities and communities in Puerto Rico. Some span more than one payment area; confirm with the service ZIP.
- Aceitunas
- Adjuntas
- Aguada
- Aguadilla
- Aguas Buenas
- Aguas Claras
- Aguilita
- Aibonito
93931 billing questions
When should 93930 be reported instead?
Use 93930 for a complete bilateral upper extremity arterial duplex examination. Use 93931 for a unilateral examination or a limited study.
What do modifiers 26 and TC represent?
Modifier 26 identifies the professional interpretation, while modifier TC identifies the technical service, including equipment and staff. Without either modifier, the claim represents the global service.
Does the multiple procedure reduction affect both components?
The cardiovascular diagnostic multiple procedure reduction applies to the technical component of this service.
How should the report support 93931?
Document the clinical indication, side and arterial territory examined, relevant images or Doppler findings, and the interpretation. The record should make clear why the study was unilateral or limited.
How does 93931 differ from 93922 or 93923?
93931 describes duplex imaging and Doppler evaluation of upper extremity arteries or a bypass graft. Codes 93922 and 93923 describe physiologic arterial testing organized by the number of levels assessed.
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
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