CPT code 36901: Circuit angiography, diagnostic only2026 Medicare rate & RVUs in Puerto Rico
Reports diagnostic contrast imaging of a dialysis fistula or graft circuit when the study evaluates access dysfunction without a circuit intervention.
In Puerto Rico, Medicare pays $692.29 for 36901 in the office and $147.27 when it’s performed in a hospital or facility.
Check a contract rate as a % of Medicare · 36901 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 36901 covers
36901 covers percutaneous entry into an arteriovenous dialysis fistula or graft and diagnostic contrast imaging of the circuit. The study traces flow from the arterial anastomosis and adjacent artery through venous outflow, including central veins, with catheter or needle placement, contrast injections, imaging, and interpretation. Interventional radiologists and vascular surgeons commonly perform it in an angiography suite to evaluate suspected stenosis, poor dialysis flows, prolonged bleeding, or other access dysfunction.
Report 36901 when diagnostic imaging is performed without a circuit intervention. If angioplasty, stenting, or thrombectomy is performed, choose the corresponding intervention code, which includes the diagnostic work; do not separately report 36901 for that circuit. The record should identify the access, findings, imaging extent, and whether treatment occurred. The code has a 0-day global period, so same-day preoperative and postoperative care is included. When multiple procedures occur in one session, the highest-valued procedure is paid in full and others at 50%. Modifier 50 is inappropriate for this single-circuit service. Medicare does not pay assistant-at-surgery services; co-surgeons and team surgery are not permitted.
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 36901
Across 109 of 109 payment localities, the office rate for 36901 runs from $599.20 in Arkansas to $937.97 in San Benito County, CA. Puerto Rico pays $692.29. The RVUs are the same everywhere; the geographic indexes change the dollars.
- Puerto Rico · this page$692.29
- Los Angeles, CA · California$787.60+$95.31
- Washington, DC area · District of Columbia$793.87+$101.58
- Miami, FL · Florida$735.39+$43.10
- Chicago, IL · Illinois$712.01+$19.72
- Manhattan, NY · New York$794.07+$101.78
- Alaska · Alaska$769.90+$77.61
Other areas in Puerto Rico first, then benchmark localities. Bars start at $0.
Every other payment area
| Payment locality | Office | Facility |
|---|---|---|
| AlabamaAlabama | $609.02 | $137.32 |
| ArkansasArkansas | $599.20 | $136.12 |
| ArizonaArizona | $666.58 | $144.20 |
| Bakersfield, CACalifornia | $735.55 | $144.71 |
| Chico, CACalifornia | $734.09 | $143.24 |
| El Centro, CACalifornia | $734.17 | $143.33 |
| Fresno, CACalifornia | $734.09 | $143.24 |
| Hanford, CACalifornia | $734.09 | $143.24 |
| Madera, CACalifornia | $734.09 | $143.24 |
| Merced, CACalifornia | $734.09 | $143.24 |
| Modesto, CACalifornia | $734.09 | $143.24 |
| Napa, CACalifornia | $862.93 | $152.40 |
| Oxnard, CACalifornia | $784.92 | $147.71 |
| Redding, CACalifornia | $734.09 | $143.24 |
| Rest of CaliforniaCalifornia | $734.09 | $143.24 |
| Riverside, CACalifornia | $739.60 | $148.75 |
| Sacramento, CACalifornia | $773.68 | $146.71 |
| Salinas, CACalifornia | $770.89 | $146.08 |
| San Diego, CACalifornia | $791.59 | $146.84 |
| Marin County, CACalifornia | $917.10 | $156.98 |
| San Francisco, CACalifornia | $916.52 | $156.40 |
| San Benito County, CACalifornia | $937.97 | $160.60 |
| Santa Clara County, CACalifornia | $935.60 | $158.23 |
| San Luis Obispo, CACalifornia | $758.16 | $144.13 |
| Santa Cruz, CACalifornia | $801.14 | $146.15 |
| Santa Maria, CACalifornia | $774.48 | $145.90 |
| Santa Rosa, CACalifornia | $809.41 | $147.40 |
| Stockton, CACalifornia | $734.09 | $143.24 |
| Vallejo, CACalifornia | $862.09 | $151.57 |
| Visalia, CACalifornia | $734.09 | $143.24 |
| Yuba City, CACalifornia | $734.09 | $143.24 |
| ColoradoColorado | $719.80 | $146.21 |
| ConnecticutConnecticut | $735.26 | $154.66 |
| DelawareDelaware | $678.50 | $145.88 |
| Fort Lauderdale, FLFlorida | $707.43 | $161.33 |
| Rest of FloridaFlorida | $670.33 | $154.96 |
| Atlanta, GAGeorgia | $699.10 | $151.38 |
| Rest of GeorgiaGeorgia | $629.20 | $148.33 |
| Hawaii, Guam, HIHawaii | $755.91 | $142.96 |
| IowaIowa | $628.53 | $135.27 |
| IdahoIdaho | $632.63 | $136.66 |
| East St. Louis, ILIllinois | $658.88 | $162.91 |
| Rest of IllinoisIllinois | $647.28 | $155.09 |
| Suburban Chicago, ILIllinois | $715.42 | $161.77 |
| IndianaIndiana | $636.77 | $137.03 |
| KansasKansas | $624.20 | $136.86 |
| KentuckyKentucky | $622.80 | $143.55 |
| New Orleans, LALouisiana | $655.68 | $148.39 |
| Rest of LouisianaLouisiana | $621.30 | $144.20 |
| Metropolitan Boston, MAMassachusetts | $797.61 | $153.93 |
| Rest of MassachusettsMassachusetts | $714.35 | $146.69 |
| Baltimore area, MDMaryland | $733.04 | $154.60 |
| Rest of MarylandMaryland | $692.80 | $147.25 |
| Rest of MaineMaine | $635.17 | $139.20 |
| Southern Maine, MEMaine | $675.06 | $140.83 |
| Detroit, MIMichigan | $678.48 | $158.26 |
| Rest of MichiganMichigan | $639.88 | $147.69 |
| MinnesotaMinnesota | $690.63 | $135.91 |
| Metropolitan Kansas City, MOMissouri | $651.85 | $145.64 |
| Metropolitan St. Louis, MOMissouri | $659.55 | $146.34 |
| Rest of MissouriMissouri | $608.69 | $144.00 |
| MississippiMississippi | $604.13 | $139.97 |
| MontanaMontana | $686.35 | $147.26 |
| North CarolinaNorth Carolina | $642.73 | $139.76 |
| North DakotaNorth Dakota | $676.27 | $137.18 |
| NebraskaNebraska | $632.69 | $135.11 |
| New HampshireNew Hampshire | $707.21 | $146.02 |
| Northern New JerseyNew Jersey | $784.02 | $158.67 |
| Rest of New JerseyNew Jersey | $743.92 | $155.24 |
| New MexicoNew Mexico | $643.35 | $149.00 |
| NevadaNevada | $684.10 | $144.47 |
| NYC suburbs and Long Island, NYNew York | $813.80 | $172.82 |
| Poughkeepsie and northern NYC suburbs, NYNew York | $748.08 | $157.77 |
| Queens, NYNew York | $802.81 | $165.61 |
| Rest of New YorkNew York | $653.34 | $141.20 |
| OhioOhio | $637.82 | $145.63 |
| OklahomaOklahoma | $622.69 | $141.28 |
| Portland, OROregon | $745.92 | $146.99 |
| Rest of OregonOregon | $679.09 | $142.16 |
| Metropolitan Philadelphia, PAPennsylvania | $714.60 | $153.41 |
| Rest of PennsylvaniaPennsylvania | $639.55 | $144.66 |
| Rhode IslandRhode Island | $705.10 | $148.22 |
| South CarolinaSouth Carolina | $641.29 | $143.17 |
| South DakotaSouth Dakota | $675.08 | $135.99 |
| TennesseeTennessee | $627.56 | $137.53 |
| Austin, TXTexas | $717.13 | $146.78 |
| Beaumont, TXTexas | $634.80 | $144.22 |
| Brazoria, TXTexas | $678.48 | $144.24 |
| Dallas, TXTexas | $682.72 | $145.78 |
| Fort Worth, TXTexas | $677.34 | $145.80 |
| Galveston, TXTexas | $680.42 | $145.10 |
| Houston, TXTexas | $689.75 | $154.43 |
| Rest of TexasTexas | $656.19 | $144.59 |
| UtahUtah | $651.06 | $144.32 |
| VirginiaVirginia | $671.86 | $141.94 |
| Virgin Islands, VIUnited States Virgin Islands | $692.29 | $147.27 |
| VermontVermont | $672.38 | $138.68 |
| Rest of WashingtonWashington | $713.41 | $145.75 |
| King County, WAWashington | $815.82 | $154.36 |
| WisconsinWisconsin | $651.09 | $134.64 |
| West VirginiaWest Virginia | $620.40 | $151.93 |
| WyomingWyoming | $681.96 | $142.87 |
36901 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.
$599.20
$836.03
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 | $769.90 | 1 |
| AL | $609.02 | 1 |
| AR | $599.20 | 1 |
| AZ | $666.58 | 1 |
| CA | $734.09–$937.97 | 29 |
| CO | $719.80 | 1 |
| CT | $735.26 | 1 |
| DC | $793.87 | 1 |
| DE | $678.50 | 1 |
| FL | $670.33–$735.39 | 3 |
| GA | $629.20–$699.10 | 2 |
| GU | $755.91 | 1 |
| HI | $755.91 | 1 |
| IA | $628.53 | 1 |
| ID | $632.63 | 1 |
| IL | $647.28–$715.42 | 4 |
| IN | $636.77 | 1 |
| KS | $624.20 | 1 |
| KY | $622.80 | 1 |
| LA | $621.30–$655.68 | 2 |
| MA | $714.35–$797.61 | 2 |
| MD | $692.80–$793.87 | 3 |
| ME | $635.17–$675.06 | 2 |
| MI | $639.88–$678.48 | 2 |
| MN | $690.63 | 1 |
| MO | $608.69–$659.55 | 3 |
| MS | $604.13 | 1 |
| MT | $686.35 | 1 |
| NC | $642.73 | 1 |
| ND | $676.27 | 1 |
| NE | $632.69 | 1 |
| NH | $707.21 | 1 |
| NJ | $743.92–$784.02 | 2 |
| NM | $643.35 | 1 |
| NV | $684.10 | 1 |
| NY | $653.34–$813.80 | 5 |
| OH | $637.82 | 1 |
| OK | $622.69 | 1 |
| OR | $679.09–$745.92 | 2 |
| PA | $639.55–$714.60 | 2 |
| PR | $692.29 | 1 |
| RI | $705.10 | 1 |
| SC | $641.29 | 1 |
| SD | $675.08 | 1 |
| TN | $627.56 | 1 |
| TX | $634.80–$717.13 | 8 |
| UT | $651.06 | 1 |
| VA | $671.86–$793.87 | 2 |
| VI | $692.29 | 1 |
| VT | $672.38 | 1 |
| WA | $713.41–$815.82 | 2 |
| WI | $651.09 | 1 |
| WV | $620.40 | 1 |
| WY | $681.96 | 1 |
How the 36901 rate is calculated
Each of 36901’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 · 36901
RVUs × geographic indexes × conversion factor
Work3.28
3.28 RVUs× 1.000 GPCI
Practice expense16.76
16.76 RVUs× 1.000 GPCI
Malpractice0.51
0.51 RVUs× 1.000 GPCI
Adjusted RVUs
20.5500
Conversion factor
$33.4009
Medicare rate
$686.39
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
4,562
- Code
- 36901
- Physician work
- 3.28
- Practice expense
- 16.76
- Malpractice
- 0.51
GPCI2026.csv
91
- Locality
- Puerto Rico
- Physician work
- 1.000
- Practice expense
- 1.011
- Malpractice
- 0.985
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 3.28 | × 1.000 | 3.2800 |
| Practice expense | 16.76 | × 1.011 | 16.9444 |
| Malpractice | 0.51 | × 0.985 | 0.5023 |
| Total RVUs | 20.7267 | ||
| Conversion factor | × 33.4009 | ||
Office rate, Puerto Rico$692.29
Office: (3.28 × 1 + 16.76 × 1.011 + 0.51 × 0.985) × $33.4009 = $692.29
Facility: (3.28 × 1 + 0.62 × 1.011 + 0.51 × 0.985) × $33.4009 = $147.27
Payment rules and modifiers for 36901
The CMS indicators that decide how 36901 is paid alongside other services.
CMS payment indicators · 36901
Circuit angiography, diagnostic only
| Rule | CMS value | What it means |
|---|---|---|
| Global period | 000 | Same-day global: pre- and post-op care on the day of the procedure is included. |
| Multiple procedures | 2 | Standard reduction: highest-valued procedure at 100%, others at 50%. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 1 | Not paid (statutory restriction). |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 0 | Physician service: no professional/technical split. |
What modifiers do to the payment
Modifier 51 · payment effect
With and without the modifier
36901 without 51 · national office
$686.39
Circuit angiography, diagnostic only
36901-51 · Second procedure: 50%
$343.20
When this isn’t the highest-valued procedure in the session, Medicare pays 50% of its fee schedule amount (the highest is paid at 100%).
How 36901 has changed in Puerto Rico
36901 · Office / nonfacility
$692.29
Effective 2026-10-01
The base rate is $35.17 higher than on 2025-10-01, moving from $657.12 to $692.29 (5.4%).
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
$657.12changed to$692.29
- Conversion factor 32.3465 changed to 33.4009
- Work RVU 3.36 changed to 3.28
- Practice expense RVU 16.33 changed to 16.76
- Malpractice RVU 0.52 changed to 0.51
- 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
$695.68changed to$657.12
- Conversion factor 33.2875 changed to 32.3465
- Practice expense RVU 16.92 changed to 16.33
- Malpractice RVU 0.51 changed to 0.52
Held through RVU25B, RVU25C, RVU25D.
March 9, 2024
RVU24AR
$684.33changed to$695.68
- Conversion factor 32.7442 changed to 33.2875
Held through RVU24B, RVU24C, RVU24D.
January 1, 2024
RVU24A
$723.51changed to$684.33
- Conversion factor 33.8872 changed to 32.7442
- Practice expense RVU 17.35 changed to 16.92
- Practice expense GPCI 1.008 changed to 1.007
- Malpractice GPCI 0.984 changed to 0.982
October 1, 2023
RVU23D
$719.09changed to$723.51
- Practice expense GPCI 1.000 changed to 1.008
- Malpractice GPCI 1.000 changed to 0.984
January 1, 2023
RVU23A
$758.09changed to$719.09
- Conversion factor 34.6062 changed to 33.8872
- Practice expense RVU 17.91 changed to 17.35
- Malpractice RVU 0.50 changed to 0.51
- 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
$761.23changed to$758.09
- Conversion factor 34.8931 changed to 34.6062
- Practice expense RVU 17.84 changed to 17.91
- Malpractice RVU 0.48 changed to 0.50
Held through RVU22B, RVU22C, RVU22D.
January 1, 2021
RVU21A
$716.43changed to$761.23
- Conversion factor 36.0896 changed to 34.8931
- Practice expense RVU 15.89 changed to 17.84
- Malpractice GPCI 0.988 changed to 0.986
Held through RVU21B, RVU21C, RVU21D.
January 1, 2020
RVU20A
$664.09changed to$716.43
- Conversion factor 36.0391 changed to 36.0896
- Practice expense RVU 14.50 changed to 15.89
- Malpractice RVU 0.47 changed to 0.48
- 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
$614.41changed to$664.09
- Conversion factor 35.9996 changed to 36.0391
- Practice expense RVU 13.14 changed to 14.50
- Malpractice RVU 0.48 changed to 0.47
Held through RVU19B, RVU19C, RVU19D.
January 1, 2018
RVU18AR1
$508.03changed to$614.41
- Conversion factor 35.8887 changed to 35.9996
- Work RVU 2.82 changed to 3.36
- Practice expense RVU 12.89 changed to 13.14
- Malpractice RVU 0.47 changed to 0.48
- 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
No ratechanged to$508.03
Held through RVU17B, RVU17C, RVU17D.
January 1, 2013
RVU13AR
Earliest loaded release: No rate
Held through RVU13B, RVU13C, RVU13D, RVU14A, RVU14B, RVU14C, RVU14D, RVU15A, RVU15B, RVU15C, RVU15D, RVU16A, RVU16B, RVU16C, RVU16D.
| Effective from | Office | Facility | CMS release |
|---|---|---|---|
| 2026-10-01 | $692.29 | $147.27 | RVU26D |
| 2026-07-01 | $692.29 | $147.27 | RVU26C |
| 2026-04-01 | $692.29 | $147.27 | RVU26B |
| 2026-01-01 | $692.29 | $147.27 | RVU26A |
| 2025-10-01 | $657.12 | $159.73 | RVU25D |
| 2025-07-01 | $657.12 | $159.73 | RVU25C |
| 2025-04-01 | $657.12 | $159.73 | RVU25B |
| 2025-01-01 | $657.12 | $159.73 | RVU25A |
| 2024-10-01 | $695.68 | $163.04 | RVU24D |
| 2024-07-01 | $695.68 | $163.04 | RVU24C |
| 2024-04-01 | $695.68 | $163.04 | RVU24B |
| 2024-03-09 | $695.68 | $163.04 | RVU24AR |
| 2024-01-01 | $684.33 | $160.38 | RVU24A |
| 2023-10-01 | $723.51 | $166.39 | RVU23D |
| 2023-07-01 | $719.09 | $166.39 | RVU23C |
| 2023-04-01 | $719.09 | $166.39 | RVU23B |
| 2023-01-01 | $719.09 | $166.39 | RVU23A |
| 2022-10-01 | $758.09 | $169.96 | RVU22D |
| 2022-07-01 | $758.09 | $169.96 | RVU22C |
| 2022-04-01 | $758.09 | $169.96 | RVU22B |
| 2022-01-01 | $758.09 | $169.96 | RVU22A |
| 2021-10-01 | $761.23 | $170.69 | RVU21D |
| 2021-07-01 | $761.23 | $170.69 | RVU21C |
| 2021-04-01 | $761.23 | $170.69 | RVU21B |
| 2021-01-01 | $761.23 | $170.69 | RVU21A |
| 2020-10-01 | $716.43 | $176.94 | RVU20D |
| 2020-07-01 | $716.43 | $176.94 | RVU20C |
| 2020-04-01 | $716.43 | $176.94 | RVU20B |
| 2020-01-01 | $716.43 | $176.94 | RVU20A |
| 2019-10-01 | $664.09 | $175.97 | RVU19D |
| 2019-07-01 | $664.09 | $175.97 | RVU19C |
| 2019-04-01 | $664.09 | $175.97 | RVU19B |
| 2019-01-01 | $664.09 | $175.97 | RVU19A |
| 2018-10-01 | $614.41 | $176.49 | RVU18D |
| 2018-07-01 | $614.41 | $176.49 | RVU18C |
| 2018-04-01 | $614.41 | $176.49 | RVU18B |
| 2018-01-01 | $614.41 | $176.49 | RVU18AR1 |
| 2017-10-01 | $508.03 | $140.30 | RVU17D |
| 2017-07-01 | $508.03 | $140.30 | RVU17C |
| 2017-04-01 | $508.03 | $140.30 | RVU17B |
| 2017-01-01 | $508.03 | $140.30 | RVU17A |
| 2016-10-01 | Not in this release | Not in this release | RVU16D |
| 2016-07-01 | Not in this release | Not in this release | RVU16C |
| 2016-04-01 | Not in this release | Not in this release | RVU16B |
| 2016-01-01 | Not in this release | Not in this release | RVU16A |
| 2015-10-01 | Not in this release | Not in this release | RVU15D |
| 2015-07-01 | Not in this release | Not in this release | RVU15C |
| 2015-04-01 | Not in this release | Not in this release | RVU15B |
| 2015-01-01 | Not in this release | Not in this release | RVU15A |
| 2014-10-01 | Not in this release | Not in this release | RVU14D |
| 2014-07-01 | Not in this release | Not in this release | RVU14C |
| 2014-04-01 | Not in this release | Not in this release | RVU14B |
| 2014-01-01 | Not in this release | Not in this release | RVU14A |
| 2013-10-01 | Not in this release | Not in this release | RVU13D |
| 2013-07-01 | Not in this release | Not in this release | RVU13C |
| 2013-04-01 | Not in this release | Not in this release | RVU13B |
| 2013-01-01 | Not in this release | Not in this release | 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
36901 billing questions
When should 36901 be reported instead of 36902?
Report 36901 for diagnostic circuit imaging without treatment. Use 36902 when balloon angioplasty is performed in the peripheral dialysis segment; its diagnostic imaging is included.
Can 36901 be billed separately when the circuit is treated?
No. When a circuit intervention such as angioplasty, stenting, or thrombectomy is performed, report the applicable intervention code rather than separately billing 36901 for the diagnostic imaging.
What imaging is included in 36901?
The service includes contrast imaging from the arterial anastomosis and adjacent artery through the venous outflow, including central veins, as well as the associated imaging interpretation.
Should modifier 50 be used for two-sided access?
No. Modifier 50 is inappropriate for this code, which describes imaging of a dialysis circuit rather than a paired bilateral service.
How does the 0-day global period affect same-day care?
Same-day preoperative and postoperative care is included in the procedure. The code does not include a longer global follow-up period.
Can an assistant or co-surgeon be reported?
Medicare does not pay assistant-at-surgery services for this code. Co-surgeon and team-surgery reporting are not permitted.
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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