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CMS RVU26D · Effective 2026-10-01

75580 in Merced

Office / nonfacility

$968.32

Base rate per service

Facility setting

Not available in this setting

Base rate per service

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.

Cardiac CT analysis

About 75580: Coronary CTA-derived flow analysis

Reports computational analysis of coronary CT angiography data to estimate lesion-related blood-flow limitation and help assess the functional significance of coronary disease.

This service uses computational processing of a coronary CT angiography dataset to estimate fractional flow reserve along the coronary arteries. The resulting analysis helps clinicians assess whether a narrowing seen on CT is likely to limit blood flow, without measuring pressure through an invasive coronary catheter. A cardiologist or radiologist typically interprets the analysis and prepares the report; the data processing may involve specialized software and technical staff.

Report 75580 for the completed CT-derived flow analysis, supported by the source CCTA study and a report identifying the findings and vessels evaluated. The CCTA acquisition is a distinct service represented by its own code when performed. CMS recognizes professional and technical components: modifier 26 identifies interpretation, modifier TC identifies equipment and staff, and billing without either modifier represents the global service.

CMS billing rules for 75580

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 RVU0.73 · 3%
  • Practice expense (office) RVU25.73 · 97%
  • Malpractice RVU0.09 · 0%

29.3K

Medicare services in 2024 · #982 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.

75580 compared with similar codes

Office rates for Merced, from the same CMS release.

75574

Coronary CTA

With contrast and 3D reconstruction

$347.75

75574 represents coronary CT angiography image acquisition and interpretation. Use 75580 for the additional computational estimate of flow based on CCTA data.

75577

Coronary plaque analysis

CTA-based quantification

$1,106.03

75577 characterizes coronary plaque from CCTA data; 75580 estimates the functional effect of coronary narrowing on blood flow.

75571

Calcium scoring

Quantitative coronary calcium

$106.65

75571 measures coronary calcium burden on noncontrast CT. It does not provide the lesion-specific flow estimate reported with 75580.

The same code, a different location

How does Merced compare?

In Bakersfield, the office rate for 75580 is $968.58—$0.26 higher than the $968.32 rate in Merced. Both use the same code, release and participation basis.

75580 across payment areas

Same release and payment basis · bars start at $0

  1. Merced · This locality

    $968.32

  2. $0.26 higher than Merced

  3. Chico

    $968.32

    The same base rate than Merced

  4. El Centro

    $968.33

    $0.01 higher than Merced

  5. Fresno

    $968.32

    The same base rate than Merced

  6. The same base rate than Merced

  7. $75.73 higher than Merced

Other payment areas listed in California appear first, followed by selected cross-country examples. The chart compares amounts, not distance.

Across 109 of 109 CMS payment localities with a supported office rate, 75580 ranges from $764.16 in Arkansas to $1267.94 in San Jose-Sunnyvale-Santa Clara (San Benito Cnty). This is a geographic range, not an average.

The code’s RVUs stay the same in these comparisons. Geographic adjustments to work, practice expense and malpractice change the dollar amount. A city name alone may not identify the payment area for a service address.

Compare all 108 other payment areas
  • Madera

    California · 75580

    Office

    $968.32

    Facility

    Unavailable

    The same base rate than Merced for the office setting.

  • Modesto

    California · 75580

    Office

    $968.32

    Facility

    Unavailable

    The same base rate than Merced for the office setting.

  • Napa

    California · 75580

    Office

    $1160.14

    Facility

    Unavailable

    $191.82 higher than Merced for the office setting.

  • Oxnard-Thousand Oaks-Ventura

    California · 75580

    Office

    $1042.76

    Facility

    Unavailable

    $74.44 higher than Merced for the office setting.

  • Redding

    California · 75580

    Office

    $968.32

    Facility

    Unavailable

    The same base rate than Merced for the office setting.

  • Rest Of California

    California · 75580

    Office

    $968.32

    Facility

    Unavailable

    The same base rate than Merced for the office setting.

  • Riverside-San Bernardino-Ontario

    California · 75580

    Office

    $969.29

    Facility

    Unavailable

    $0.97 higher than Merced for the office setting.

  • Sacramento-Roseville-Folsom

    California · 75580

    Office

    $1026.36

    Facility

    Unavailable

    $58.04 higher than Merced for the office setting.

  • Salinas

    California · 75580

    Office

    $1022.80

    Facility

    Unavailable

    $54.48 higher than Merced for the office setting.

  • San Diego-Chula Vista-Carlsbad

    California · 75580

    Office

    $1054.59

    Facility

    Unavailable

    $86.27 higher than Merced for the office setting.

  • San Francisco-Oakland-Berkeley (Marin Cnty)

    California · 75580

    Office

    $1239.84

    Facility

    Unavailable

    $271.52 higher than Merced for the office setting.

  • San Francisco-Oakland-Berkeley (San Francisco/San Mateo/Alameda/Contra Costa Cnty)

    California · 75580

    Office

    $1239.74

    Facility

    Unavailable

    $271.42 higher than Merced for the office setting.

  • San Jose-Sunnyvale-Santa Clara (San Benito Cnty)

    California · 75580

    Office

    $1267.94

    Facility

    Unavailable

    $299.62 higher than Merced for the office setting.

  • San Jose-Sunnyvale-Santa Clara (Santa Clara Cnty)

    California · 75580

    Office

    $1267.52

    Facility

    Unavailable

    $299.20 higher than Merced for the office setting.

  • San Luis Obispo-Paso Robles

    California · 75580

    Office

    $1005.27

    Facility

    Unavailable

    $36.95 higher than Merced for the office setting.

  • Santa Cruz-Watsonville

    California · 75580

    Office

    $1070.68

    Facility

    Unavailable

    $102.36 higher than Merced for the office setting.

  • Santa Maria-Santa Barbara

    California · 75580

    Office

    $1028.74

    Facility

    Unavailable

    $60.42 higher than Merced for the office setting.

  • Santa Rosa-Petaluma

    California · 75580

    Office

    $1082.07

    Facility

    Unavailable

    $113.75 higher than Merced for the office setting.

  • Stockton

    California · 75580

    Office

    $968.32

    Facility

    Unavailable

    The same base rate than Merced for the office setting.

  • Vallejo

    California · 75580

    Office

    $1159.99

    Facility

    Unavailable

    $191.67 higher than Merced for the office setting.

  • Visalia

    California · 75580

    Office

    $968.32

    Facility

    Unavailable

    The same base rate than Merced for the office setting.

  • Yuba City

    California · 75580

    Office

    $968.32

    Facility

    Unavailable

    The same base rate than Merced for the office setting.

  • Dc + Md/Va Suburbs

    District of Columbia · 75580

    Office

    $1041.42

    Facility

    Unavailable

    $73.10 higher than Merced for the office setting.

  • Miami

    Florida · 75580

    Office

    $926.63

    Facility

    Unavailable

    $41.69 lower than Merced for the office setting.

  • Chicago

    Illinois · 75580

    Office

    $895.15

    Facility

    Unavailable

    $73.17 lower than Merced for the office setting.

  • Manhattan

    New York · 75580

    Office

    $1029.34

    Facility

    Unavailable

    $61.02 higher than Merced for the office setting.

  • Alaska*

    Alaska · 75580

    Office

    $953.50

    Facility

    Unavailable

    $14.82 lower than Merced for the office setting.

  • Alabama

    Alabama · 75580

    Office

    $778.06

    Facility

    Unavailable

    $190.26 lower than Merced for the office setting.

  • Arkansas

    Arkansas · 75580

    Office

    $764.16

    Facility

    Unavailable

    $204.16 lower than Merced for the office setting.

  • Arizona

    Arizona · 75580

    Office

    $859.72

    Facility

    Unavailable

    $108.60 lower than Merced for the office setting.

  • Colorado

    Colorado · 75580

    Office

    $941.43

    Facility

    Unavailable

    $26.89 lower than Merced for the office setting.

  • Connecticut

    Connecticut · 75580

    Office

    $954.09

    Facility

    Unavailable

    $14.23 lower than Merced for the office setting.

  • Delaware

    Delaware · 75580

    Office

    $876.30

    Facility

    Unavailable

    $92.02 lower than Merced for the office setting.

  • Fort Lauderdale

    Florida · 75580

    Office

    $900.40

    Facility

    Unavailable

    $67.92 lower than Merced for the office setting.

  • Rest Of Florida

    Florida · 75580

    Office

    $850.49

    Facility

    Unavailable

    $117.83 lower than Merced for the office setting.

  • Atlanta

    Georgia · 75580

    Office

    $901.22

    Facility

    Unavailable

    $67.10 lower than Merced for the office setting.

  • Rest Of Georgia

    Georgia · 75580

    Office

    $794.56

    Facility

    Unavailable

    $173.76 lower than Merced for the office setting.

  • Hawaii, Guam

    Hawaii · 75580

    Office

    $1003.27

    Facility

    Unavailable

    $34.95 higher than Merced for the office setting.

  • Iowa

    Iowa · 75580

    Office

    $811.93

    Facility

    Unavailable

    $156.39 lower than Merced for the office setting.

  • Idaho

    Idaho · 75580

    Office

    $816.46

    Facility

    Unavailable

    $151.86 lower than Merced for the office setting.

  • East St. Louis

    Illinois · 75580

    Office

    $821.09

    Facility

    Unavailable

    $147.23 lower than Merced for the office setting.

  • Rest Of Illinois

    Illinois · 75580

    Office

    $813.72

    Facility

    Unavailable

    $154.60 lower than Merced for the office setting.

  • Suburban Chicago

    Illinois · 75580

    Office

    $912.49

    Facility

    Unavailable

    $55.83 lower than Merced for the office setting.

  • Indiana

    Indiana · 75580

    Office

    $822.51

    Facility

    Unavailable

    $145.81 lower than Merced for the office setting.

  • Kansas

    Kansas · 75580

    Office

    $802.80

    Facility

    Unavailable

    $165.52 lower than Merced for the office setting.

  • Kentucky

    Kentucky · 75580

    Office

    $791.14

    Facility

    Unavailable

    $177.18 lower than Merced for the office setting.

  • New Orleans

    Louisiana · 75580

    Office

    $836.50

    Facility

    Unavailable

    $131.82 lower than Merced for the office setting.

  • Rest Of Louisiana

    Louisiana · 75580

    Office

    $787.84

    Facility

    Unavailable

    $180.48 lower than Merced for the office setting.

  • Metropolitan Boston

    Massachusetts · 75580

    Office

    $1054.19

    Facility

    Unavailable

    $85.87 higher than Merced for the office setting.

  • Rest Of Massachusetts

    Massachusetts · 75580

    Office

    $932.12

    Facility

    Unavailable

    $36.20 lower than Merced for the office setting.

  • Baltimore/Surr. Cntys

    Maryland · 75580

    Office

    $950.63

    Facility

    Unavailable

    $17.69 lower than Merced for the office setting.

  • Rest Of Maryland

    Maryland · 75580

    Office

    $897.10

    Facility

    Unavailable

    $71.22 lower than Merced for the office setting.

  • Rest Of Maine

    Maine · 75580

    Office

    $816.91

    Facility

    Unavailable

    $151.41 lower than Merced for the office setting.

  • Southern Maine

    Maine · 75580

    Office

    $877.95

    Facility

    Unavailable

    $90.37 lower than Merced for the office setting.

  • Detroit

    Michigan · 75580

    Office

    $858.78

    Facility

    Unavailable

    $109.54 lower than Merced for the office setting.

  • Rest Of Michigan

    Michigan · 75580

    Office

    $812.41

    Facility

    Unavailable

    $155.91 lower than Merced for the office setting.

  • Minnesota

    Minnesota · 75580

    Office

    $909.60

    Facility

    Unavailable

    $58.72 lower than Merced for the office setting.

  • Metropolitan Kansas City

    Missouri · 75580

    Office

    $834.30

    Facility

    Unavailable

    $134.02 lower than Merced for the office setting.

  • Metropolitan St. Louis

    Missouri · 75580

    Office

    $845.55

    Facility

    Unavailable

    $122.77 lower than Merced for the office setting.

  • Rest Of Missouri

    Missouri · 75580

    Office

    $768.12

    Facility

    Unavailable

    $200.20 lower than Merced for the office setting.

  • Mississippi

    Mississippi · 75580

    Office

    $766.55

    Facility

    Unavailable

    $201.77 lower than Merced for the office setting.

  • Montana**

    Montana · 75580

    Office

    $886.79

    Facility

    Unavailable

    $81.53 lower than Merced for the office setting.

  • North Carolina

    North Carolina · 75580

    Office

    $828.13

    Facility

    Unavailable

    $140.19 lower than Merced for the office setting.

  • North Dakota**

    North Dakota · 75580

    Office

    $885.01

    Facility

    Unavailable

    $83.31 lower than Merced for the office setting.

  • Nebraska

    Nebraska · 75580

    Office

    $818.75

    Facility

    Unavailable

    $149.57 lower than Merced for the office setting.

  • New Hampshire

    New Hampshire · 75580

    Office

    $921.65

    Facility

    Unavailable

    $46.67 lower than Merced for the office setting.

  • Northern Nj

    New Jersey · 75580

    Office

    $1026.04

    Facility

    Unavailable

    $57.72 higher than Merced for the office setting.

  • Rest Of New Jersey

    New Jersey · 75580

    Office

    $967.13

    Facility

    Unavailable

    $1.19 lower than Merced for the office setting.

  • New Mexico

    New Mexico · 75580

    Office

    $816.07

    Facility

    Unavailable

    $152.25 lower than Merced for the office setting.

  • Nevada**

    Nevada · 75580

    Office

    $887.15

    Facility

    Unavailable

    $81.17 lower than Merced for the office setting.

  • Nyc Suburbs/Long Island

    New York · 75580

    Office

    $1053.36

    Facility

    Unavailable

    $85.04 higher than Merced for the office setting.

  • Poughkpsie/N Nyc Suburbs

    New York · 75580

    Office

    $970.17

    Facility

    Unavailable

    $1.85 higher than Merced for the office setting.

  • Queens

    New York · 75580

    Office

    $1046.09

    Facility

    Unavailable

    $77.77 higher than Merced for the office setting.

  • Rest Of New York

    New York · 75580

    Office

    $842.93

    Facility

    Unavailable

    $125.39 lower than Merced for the office setting.

  • Ohio

    Ohio · 75580

    Office

    $812.05

    Facility

    Unavailable

    $156.27 lower than Merced for the office setting.

  • Oklahoma

    Oklahoma · 75580

    Office

    $794.17

    Facility

    Unavailable

    $174.15 lower than Merced for the office setting.

  • Portland

    Oregon · 75580

    Office

    $981.81

    Facility

    Unavailable

    $13.49 higher than Merced for the office setting.

  • Rest Of Oregon

    Oregon · 75580

    Office

    $882.46

    Facility

    Unavailable

    $85.86 lower than Merced for the office setting.

  • Metropolitan Philadelphia

    Pennsylvania · 75580

    Office

    $923.05

    Facility

    Unavailable

    $45.27 lower than Merced for the office setting.

  • Rest Of Pennsylvania

    Pennsylvania · 75580

    Office

    $816.16

    Facility

    Unavailable

    $152.16 lower than Merced for the office setting.

  • Puerto Rico

    Puerto Rico · 75580

    Office

    $896.20

    Facility

    Unavailable

    $72.12 lower than Merced for the office setting.

  • Rhode Island

    Rhode Island · 75580

    Office

    $915.29

    Facility

    Unavailable

    $53.03 lower than Merced for the office setting.

  • South Carolina

    South Carolina · 75580

    Office

    $821.03

    Facility

    Unavailable

    $147.29 lower than Merced for the office setting.

  • South Dakota**

    South Dakota · 75580

    Office

    $884.80

    Facility

    Unavailable

    $83.52 lower than Merced for the office setting.

  • Tennessee

    Tennessee · 75580

    Office

    $807.20

    Facility

    Unavailable

    $161.12 lower than Merced for the office setting.

  • Austin

    Texas · 75580

    Office

    $936.35

    Facility

    Unavailable

    $31.97 lower than Merced for the office setting.

  • Beaumont

    Texas · 75580

    Office

    $809.23

    Facility

    Unavailable

    $159.09 lower than Merced for the office setting.

  • Brazoria

    Texas · 75580

    Office

    $878.59

    Facility

    Unavailable

    $89.73 lower than Merced for the office setting.

  • Dallas

    Texas · 75580

    Office

    $883.15

    Facility

    Unavailable

    $85.17 lower than Merced for the office setting.

  • Fort Worth

    Texas · 75580

    Office

    $874.59

    Facility

    Unavailable

    $93.73 lower than Merced for the office setting.

  • Galveston

    Texas · 75580

    Office

    $880.46

    Facility

    Unavailable

    $87.86 lower than Merced for the office setting.

  • Houston

    Texas · 75580

    Office

    $882.10

    Facility

    Unavailable

    $86.22 lower than Merced for the office setting.

  • Rest Of Texas

    Texas · 75580

    Office

    $842.67

    Facility

    Unavailable

    $125.65 lower than Merced for the office setting.

  • Utah

    Utah · 75580

    Office

    $834.92

    Facility

    Unavailable

    $133.40 lower than Merced for the office setting.

  • Virginia

    Virginia · 75580

    Office

    $871.30

    Facility

    Unavailable

    $97.02 lower than Merced for the office setting.

  • Virgin Islands

    United States Virgin Islands · 75580

    Office

    $896.20

    Facility

    Unavailable

    $72.12 lower than Merced for the office setting.

  • Vermont

    Vermont · 75580

    Office

    $876.71

    Facility

    Unavailable

    $91.61 lower than Merced for the office setting.

  • Rest Of Washington

    Washington · 75580

    Office

    $931.94

    Facility

    Unavailable

    $36.38 lower than Merced for the office setting.

  • Seattle (King Cnty)

    Washington · 75580

    Office

    $1082.55

    Facility

    Unavailable

    $114.23 higher than Merced for the office setting.

  • Wisconsin

    Wisconsin · 75580

    Office

    $848.62

    Facility

    Unavailable

    $119.70 lower than Merced for the office setting.

  • West Virginia

    West Virginia · 75580

    Office

    $775.51

    Facility

    Unavailable

    $192.81 lower than Merced for the office setting.

  • Wyoming**

    Wyoming · 75580

    Office

    $886.01

    Facility

    Unavailable

    $82.31 lower than Merced for the office setting.

See how rates vary across the country

75580 · Office / nonfacility · Non-QP. Choose a state to explore its payment localities. A range means the amount varies within that state.

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.

$764.16

$1,118.13

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

View all state and territory rates as a table
State / territoryRate rangeLocalities
AK$953.501
AL$778.061
AR$764.161
AZ$859.721
CA$968.32–$1,267.9429
CO$941.431
CT$954.091
DC$1,041.421
DE$876.301
FL$850.49–$926.633
GA$794.56–$901.222
GU$1,003.271
HI$1,003.271
IA$811.931
ID$816.461
IL$813.72–$912.494
IN$822.511
KS$802.801
KY$791.141
LA$787.84–$836.502
MA$932.12–$1,054.192
MD$897.10–$1,041.423
ME$816.91–$877.952
MI$812.41–$858.782
MN$909.601
MO$768.12–$845.553
MS$766.551
MT$886.791
NC$828.131
ND$885.011
NE$818.751
NH$921.651
NJ$967.13–$1,026.042
NM$816.071
NV$887.151
NY$842.93–$1,053.365
OH$812.051
OK$794.171
OR$882.46–$981.812
PA$816.16–$923.052
PR$896.201
RI$915.291
SC$821.031
SD$884.801
TN$807.201
TX$809.23–$936.358
UT$834.921
VA$871.30–$1,041.422
VI$896.201
VT$876.711
WA$931.94–$1,082.552
WI$848.621
WV$775.511
WY$886.011

Explore 75580 on the national rate map →

Where does this rate apply?

Merced is a Medicare payment area. Our Census mapping connects it to 24 cities and communities in California, including the examples shown here.

Some communities span more than one payment area. Follow a city link to compare all of its mapped areas, or check the service-location ZIP above for an address-level starting point.

Use this rate

What is a percentage of Medicare worth?

Turn a percentage into dollars for 75580 in Merced. This uses the base rate on this page, so the locality and release stay consistent.

Reference amount per service

$1065.15

$968.32 × 110% = $1065.15

A contract may specify another Medicare year or additional adjustments. This is percentage arithmetic on the displayed base rate, not a claim adjudication.

Working with a whole code list?

Compare an offer across your annual code mix, including an older Medicare schedule or flat per-code rates.

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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 75580 in Merced.

PPRRVU2026_Oct_nonQPP.csv

8,498

Code
75580
Physician work
0.73
Practice expense
25.73
Malpractice
0.09

GPCI2026.csv

15

Locality
Merced
Physician work
1.017
Practice expense
1.096
Malpractice
0.536
Office / nonfacility calculation for 75580 in Merced
ComponentRVULocality factorAdjusted
Physician work0.73× 1.0170.7424
Practice expense25.73× 1.09628.2001
Malpractice0.09× 0.5360.0482
Total RVUs28.9907
Conversion factor× 33.4009

Office / nonfacility rate, Merced$968.32

Open 75580 in the RVU calculator →

Explore RVUs, geographic factors and the full formula

Office / nonfacility

Office / nonfacility calculation inputs
ComponentRVULocal GPCI
Work0.731.017
Practice expense25.731.096
Malpractice0.090.536

(0.73 × 1.017 + 25.73 × 1.096 + 0.09 × 0.536) × $33.4009 = $968.32

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.

How this rate has changed

75580 · Office / nonfacility

$968.32

Effective 2026-10-01

The base rate is $54.51 higher than on 2025-10-01, moving from $913.81 to $968.32 (6.0%).

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

    $913.81changed to$968.32

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 0.75 changed to 0.73
    • Practice expense RVU 25.11 changed to 25.73
    • Malpractice RVU 0.08 changed to 0.09
    • Work GPCI 1.014 changed to 1.017
    • Practice expense GPCI 1.093 changed to 1.096
    • Malpractice GPCI 0.560 changed to 0.536

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    Earliest loaded release: $913.81

    Held through RVU25B, RVU25C, RVU25D.

Explore release dates and calculate this code in an earlier period →

Each row uses the accepted CMS release effective on that date and the same contractor and locality identifiers. Missing rates stay visible. Historical boundaries may differ; verify the service address for an older claim.

Inspect every release and its CMS source
Effective fromOffice / nonfacilityFacilityCMS release
2026-10-01$968.32Not available in this settingRVU26D
2026-07-01$968.32Not available in this settingRVU26C
2026-04-01$968.32Not available in this settingRVU26B
2026-01-01$968.32Not available in this settingRVU26A
2025-10-01$913.81Not available in this settingRVU25D
2025-07-01$913.81Not available in this settingRVU25C
2025-04-01$913.81Not available in this settingRVU25B
2025-01-01$913.81Not available in this settingRVU25A

75580 billing questions

How is 75580 different from coronary CT angiography?

CCTA provides the coronary images; 75580 reports computational flow analysis derived from those images. The acquisition and analysis describe different services.

Can 75580 be billed with modifier 26 or TC?

Yes. CMS separately prices modifier 26 for the professional interpretation and modifier TC for the technical service; billing without a modifier represents the global service.

What documentation supports 75580?

Keep the source CCTA information and the analysis report, including the estimated flow findings and the coronary vessels assessed.

Is 75580 reported once for each coronary artery?

Do not determine units from the number of vessels mentioned. Report the completed analysis according to the applicable CPT unit instructions, with the report documenting the vessels assessed.

Does 75580 measure coronary plaque burden?

No. It estimates the functional effect of coronary narrowing. Code 75577 addresses quantitative or qualitative characterization of coronary plaque from CCTA data.

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.

RVUs for 75580PPRRVU2026_Oct_nonQPP.csv, line 8,498 (RVU26D)
Geographic factors for MercedGPCI2026.csv, line 15 (RVU26D)