CPT code 93459: Cardiac catheterization, left heart with bypass grafts2026 Medicare rate & RVUs

Reports diagnostic left-heart catheterization with coronary and bypass-graft angiography, with left ventriculography included when performed during the study.

CMS RVU26DEffective Oct 1, 2026109 payment localities52.7K Medicare services in 2024

Medicare pays $1,087.53 for 93459 nationally in the office. Local office rates run $948.52–$1,460.54.

Medicare rate · 93459

Cardiac catheterization, left heart with bypass grafts

Office or facility?

Work RVUs
6.19
Total RVUs
32.56
Global days
000

National rate · 2026

$1,087.53

Office setting, before claim adjustments.

See every locality for 93459 →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.

Your location

Medicare pays by the payment locality where the service is performed.

On this page 10 sections
  1. Medicare rate
  2. What 93459 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 93459 covers

A cardiologist or other qualified physician performs this invasive diagnostic study, usually in a hospital catheterization laboratory. It combines left-heart catheterization with imaging of the native coronary arteries and bypass grafts, such as saphenous vein or internal mammary artery grafts, in a patient with prior coronary artery bypass surgery. Left ventriculography may be performed as part of the study, but is not required for the code.

Select 93459 when the documented service includes left-heart catheterization, coronary angiography, and bypass-graft angiography; the record should identify the catheterization and the native-vessel and graft imaging performed. The code includes the diagnostic imaging supervision and interpretation. CMS allows global billing or separate professional interpretation (modifier 26) and technical service (modifier TC). It has a 0-day global period, so same-day preoperative and postoperative care is included. When multiple procedures occur in the same session, the highest-valued procedure is paid in full and others at 50%. Assistant-at-surgery payment requires documented medical necessity; 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.

Where 93459 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

$948.52 to $1460.54

$948.52$1204.53$1460.54
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

93459 office and facility rates by payment locality
Payment localityOfficeFacility
Alabama$964.12Unavailable
Alaska$1,226.01Unavailable
Arizona$1,055.36Unavailable
Arkansas$948.52Unavailable
Atlanta, GA$1,110.22Unavailable
Austin, TX$1,131.62Unavailable
Bakersfield, CA$1,155.03Unavailable
Baltimore area, MD$1,162.20Unavailable
Beaumont, TX$1,009.08Unavailable
Brazoria, TX$1,072.17Unavailable

93459 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.

$948.52

$1,306.01

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

View every state and territory as a table
93459 office rate range by state
State / territoryOffice rate rangeLocalities
AK$1,226.011
AL$964.121
AR$948.521
AZ$1,055.361
CA$1,151.47–$1,460.5429
CO$1,134.191
CT$1,165.221
DC$1,252.681
DE$1,074.161
FL$1,072.35–$1,187.763
GA$1,005.34–$1,110.222
GU$1,184.161
HI$1,184.161
IA$990.351
ID$997.811
IL$1,038.91–$1,148.974
IN$1,004.231
KS$985.741
KY$990.891
LA$989.39–$1,043.972
MA$1,126.49–$1,253.782
MD$1,096.12–$1,252.683
ME$1,004.23–$1,064.092
MI$1,020.21–$1,087.772
MN$1,081.491
MO$970.81–$1,047.413
MS$959.851
MT$1,087.451
NC$1,015.851
ND$1,061.941
NE$996.231
NH$1,116.491
NJ$1,177.05–$1,237.522
NM$1,026.671
NV$1,081.181
NY$1,032.85–$1,296.025
OH$1,015.001
OK$988.291
OR$1,071.39–$1,172.802
PA$1,016.47–$1,133.922
PR$1,096.101
RI$1,114.451
SC$1,017.411
SD$1,058.921
TN$991.351
TX$1,009.08–$1,131.628
UT$1,032.881
VA$1,060.62–$1,252.682
VI$1,096.101
VT$1,057.871
WA$1,124.32–$1,280.142
WI$1,022.531
WV$996.371
WY$1,076.331

How the 93459 rate is calculated

Each of 93459’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 · 93459

RVUs × geographic indexes × conversion factor

Office or facility?

Work6.19

6.19 RVUs× 1.000 GPCI

Practice expense25.08

25.08 RVUs× 1.000 GPCI

Malpractice1.29

1.29 RVUs× 1.000 GPCI

Adjusted RVUs

32.5600

Conversion factor

$33.4009

Medicare rate

$1,087.53

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

Payment rules and modifiers for 93459

The CMS indicators that decide how 93459 is paid alongside other services.

CMS payment indicators · 93459

Cardiac catheterization, left heart with bypass grafts

RuleCMS valueWhat it means
Global period000Same-day global: pre- and post-op care on the day of the procedure is included.
Multiple procedures2Standard reduction: highest-valued procedure at 100%, others at 50%.
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

93459 without 26 · national office

$1,087.53

Cardiac catheterization, left heart with bypass grafts

93459-26 · Professional component

$325.99

Pays only the interpretation and report.

When to use modifier 26

93459 compared with similar codes

Compare codes · National

4 codes, side by side

Office or facility?

  • 93459

    Cardiac catheterization, left heart with bypass grafts6.19 wRVU

    $1,087.53

  • 93455

    Coronary angiography, with bypass graft imaging5.16 wRVU

    $979.31−$108.22

  • 93458

    Coronary catheterization, left heart, native coronaries5.46 wRVU

    $1,010.04−$77.49

  • 93461

    Heart catheterization, bilateral heart and graft imaging7.65 wRVU

    $1,329.02+$241.49

How to choose

93455Coronary angiographyWith bypass graft imaging
93455 covers coronary and bypass-graft angiography without left-heart catheterization. Choose 93459 when left-heart catheterization is also performed.
93458Coronary catheterizationLeft heart, native coronaries
Both include left-heart catheterization and coronary angiography; 93459 also includes bypass-graft angiography.
93461Heart catheterizationBilateral heart and graft imaging
93461 includes right-heart catheterization in addition to the left-heart, coronary, and bypass-graft study. Use 93459 when the study does not include right-heart catheterization.

93459 billing questions

When should 93459 be chosen over 93458?

Use 93459 when the left-heart catheterization and coronary angiography include bypass-graft angiography. Use 93458 when graft angiography is not part of the study.

Is left ventriculography required?

No. Left ventriculography may be performed during the study, but it is not required for 93459.

Can coronary or graft angiography be billed separately?

The coronary and bypass-graft imaging and its supervision and interpretation are included in 93459 for the same study. Do not separately report 93455 for that same imaging.

How are the professional and technical services reported?

Report modifier 26 for the professional interpretation or modifier TC for the technical service. Reporting without either modifier represents the global service.

How does the multiple-procedure rule affect payment?

For multiple procedures in the same session, CMS pays the highest-valued procedure in full and pays other procedures at 50%.

What documentation is needed for an assistant at surgery?

Document the medical necessity for the assistant. CMS pays an assistant at surgery for this code only when that necessity is documented.

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 93459PPRRVU2026_Oct_nonQPP.csv, line 12,115 (RVU26D)

Open CMS sourceHow we calculate rates

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