CPT code 33418: Mitral valve repair, percutaneous, initial prosthesis2026 Medicare rate & RVUs in South Dakota

Reports catheter-based repair of mitral regurgitation using an initial prosthesis, including transseptal access when performed, during a structural heart procedure.

CMS RVU26DEffective Oct 1, 2026One payment locality10.8K Medicare services in 2024

In South Dakota, Medicare pays $1,416.08 for 33418 in a facility. There’s no office rate.

Not available in this settingOffice (non-facility)
$1,416.08Hospital or facility

Check a contract rate as a % of Medicare · 33418 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 33418 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in South Dakota
  2. What 33418 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 33418 covers

This code covers a catheter-based mitral valve repair, commonly a transcatheter edge-to-edge procedure for mitral regurgitation. A structural heart team, typically including an interventional cardiologist and cardiac surgeon, performs it in a hospital catheterization laboratory or hybrid operating room. The catheter is advanced to the mitral valve, often through transseptal access, and a prosthesis is used to improve leaflet coaptation. The code includes the transseptal puncture when performed.

Report 33418 for the initial prosthesis; report 33419 for each additional prosthesis. The operative report should support the percutaneous approach, mitral valve repair, and prosthesis use. CMS assigns a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. When multiple procedures occur in the same session, the highest-valued procedure is paid in full and other procedures are subject to the standard 50% reduction. Modifier 50 is inappropriate. Assistant-at-surgery payment may be made; co-surgeon payment requires supporting documentation, and team surgery is 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 South Dakota compares for 33418

Across 109 of 109 payment localities, the facility rate for 33418 runs from $1,397.26 in Wisconsin to $2,012.87 in Alaska. South Dakota pays $1,416.08. The RVUs are the same everywhere; the geographic indexes change the dollars.

33418 in South Dakota vs other payment areas
  1. South Dakota · this page$1,416.08
  2. Los Angeles, CA · California$1,592.25+$176.17
  3. Washington, DC area · District of Columbia$1,715.91+$299.83
  4. Miami, FL · Florida$1,971.90+$555.82
  5. Chicago, IL · Illinois$1,911.01+$494.93
  6. Manhattan, NY · New York$1,839.28+$423.20
  7. Alaska · Alaska$2,012.87+$596.79

Other areas in South Dakota first, then benchmark localities. Bars start at $0.

Every other payment area

33418 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama—$1,437.84
ArkansasArkansas—$1,420.66
ArizonaArizona—$1,536.37
Bakersfield, CACalifornia—$1,530.91
Chico, CACalifornia—$1,510.69
El Centro, CACalifornia—$1,511.93
Fresno, CACalifornia—$1,510.69
Hanford, CACalifornia—$1,510.69

33418 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.

View every state and territory as a table
33418 office rate range by state
State / territoryOffice rate rangeLocalities
AKNo published base rate1
ALNo published base rate1
ARNo published base rate1
AZNo published base rate1
CANo published base rate29
CONo published base rate1
CTNo published base rate1
DCNo published base rate1
DENo published base rate1
FLNo published base rate3
GANo published base rate2
GUNo published base rate1
HINo published base rate1
IANo published base rate1
IDNo published base rate1
ILNo published base rate4
INNo published base rate1
KSNo published base rate1
KYNo published base rate1
LANo published base rate2
MANo published base rate2
MDNo published base rate3
MENo published base rate2
MINo published base rate2
MNNo published base rate1
MONo published base rate3
MSNo published base rate1
MTNo published base rate1
NCNo published base rate1
NDNo published base rate1
NENo published base rate1
NHNo published base rate1
NJNo published base rate2
NMNo published base rate1
NVNo published base rate1
NYNo published base rate5
OHNo published base rate1
OKNo published base rate1
ORNo published base rate2
PANo published base rate2
PRNo published base rate1
RINo published base rate1
SCNo published base rate1
SDNo published base rate1
TNNo published base rate1
TXNo published base rate8
UTNo published base rate1
VANo published base rate2
VINo published base rate1
VTNo published base rate1
WANo published base rate2
WINo published base rate1
WVNo published base rate1
WYNo published base rate1

See 33418 in every payment locality

How the 33418 rate is calculated

Each of 33418’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 · 33418

RVUs × geographic indexes × conversion factor

Office or facility?

Work31.44

31.44 RVUs× 1.000 GPCI

Practice expense8.46

8.46 RVUs× 1.000 GPCI

Malpractice7.43

7.43 RVUs× 1.000 GPCI

Adjusted RVUs

47.3300

Conversion factor

$33.4009

Medicare rate

$1,580.86

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

The exact South Dakota inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

3,947

Code
33418
Physician work
31.44
Practice expense
8.46
Malpractice
7.43

GPCI2026.csv

94

Locality
South Dakota
Physician work
1.000
Practice expense
1.000
Malpractice
0.336
Facility calculation for 33418 in South Dakota
ComponentRVULocality factorAdjusted
Physician work31.44× 1.00031.4400
Practice expense8.46× 1.0008.4600
Malpractice7.43× 0.3362.4965
Total RVUs42.3965
Conversion factor× 33.4009

Facility rate, South Dakota$1416.08

Facility: (31.44 × 1 + 8.46 × 1 + 7.43 × 0.336) × $33.4009 = $1416.08

Open 33418 in the RVU calculator

Payment rules and modifiers for 33418

33418 has a 90-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 33418

Mitral valve repair, percutaneous, initial prosthesis

RuleCMS valueWhat it means
Global period090Major surgery: the day before, the day of, and 90 days after are 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)2Paid.
Co-surgeons (62)1Permitted with supporting documentation.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.
Split (54/55/56)0.09/0.84/0.07Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 33418

Mitral valve repair, percutaneous, initial prosthesis

90-day global period ends

Dec 30, 2026

Covers Sep 30, 2026 through Dec 30, 2026 (92 days, including the day before surgery).

Visit on Oct 31, 2026

Day 30 of the 90-day post-op period: related follow-up care is included in the surgical payment.

  • 24Unrelated E/M visit by the same physician
  • 79Unrelated procedure (starts its own global period)
  • 58Staged, more extensive, or therapy procedure that was planned
  • 78Unplanned return to the operating room for a related complication
SurgeryVisit
Sep 23, 2026Jan 10, 2027

Pre-op dayGlobal period

What modifiers do to the payment

Modifier 51 · payment effect

With and without the modifier

33418 without 51 · national facility

$1,580.86

Mitral valve repair, percutaneous, initial prosthesis

33418-51 · Second procedure: 50%

$790.43

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%).

When to use modifier 51

How 33418 has changed in South Dakota

33418 · Office / nonfacility

Rate unavailable

Effective 2026-10-01

A rate is unavailable in one of these releases, so a change cannot be calculated.

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, 2015

    RVU15A

    No ratechanged toNo rate

    Held through RVU15B, RVU15C, RVU15D, RVU16A, RVU16B, RVU16C, RVU16D, RVU17A, RVU17B, RVU17C, RVU17D, RVU18AR1, RVU18B, RVU18C, RVU18D, RVU19A, RVU19B, RVU19C, RVU19D, RVU20A, RVU20B, RVU20C, RVU20D, RVU21A, RVU21B, RVU21C, RVU21D, RVU22A, RVU22B, RVU22C, RVU22D, RVU23A, RVU23B, RVU23C, RVU23D, RVU24A, RVU24AR, RVU24B, RVU24C, RVU24D, RVU25A, RVU25B, RVU25C, RVU25D, RVU26A, RVU26B, RVU26C, RVU26D.

  2. January 1, 2013

    RVU13AR

    Earliest loaded release: No rate

    Held through RVU13B, RVU13C, RVU13D, RVU14A, RVU14B, RVU14C, RVU14D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01Not available in this setting$1,416.08RVU26D
2026-07-01Not available in this setting$1,416.08RVU26C
2026-04-01Not available in this setting$1,416.08RVU26B
2026-01-01Not available in this setting$1,416.08RVU26A
2025-10-01Not available in this setting$1,565.77RVU25D
2025-07-01Not available in this setting$1,565.77RVU25C
2025-04-01Not available in this setting$1,565.77RVU25B
2025-01-01Not available in this setting$1,565.77RVU25A
2024-10-01Not available in this setting$1,606.27RVU24D
2024-07-01Not available in this setting$1,606.27RVU24C
2024-04-01Not available in this setting$1,606.27RVU24B
2024-03-09Not available in this setting$1,606.27RVU24AR
2024-01-01Not available in this setting$1,580.05RVU24A
2023-10-01Not available in this setting$1,625.35RVU23D
2023-07-01Not available in this setting$1,625.35RVU23C
2023-04-01Not available in this setting$1,625.35RVU23B
2023-01-01Not available in this setting$1,625.35RVU23A
2022-10-01Not available in this setting$1,660.80RVU22D
2022-07-01Not available in this setting$1,660.80RVU22C
2022-04-01Not available in this setting$1,660.80RVU22B
2022-01-01Not available in this setting$1,660.80RVU22A
2021-10-01Not available in this setting$1,669.09RVU21D
2021-07-01Not available in this setting$1,669.09RVU21C
2021-04-01Not available in this setting$1,669.09RVU21B
2021-01-01Not available in this setting$1,669.09RVU21A
2020-10-01Not available in this setting$1,722.09RVU20D
2020-07-01Not available in this setting$1,722.09RVU20C
2020-04-01Not available in this setting$1,722.09RVU20B
2020-01-01Not available in this setting$1,722.09RVU20A
2019-10-01Not available in this setting$1,727.78RVU19D
2019-07-01Not available in this setting$1,727.78RVU19C
2019-04-01Not available in this setting$1,727.78RVU19B
2019-01-01Not available in this setting$1,727.78RVU19A
2018-10-01Not available in this setting$1,727.55RVU18D
2018-07-01Not available in this setting$1,727.55RVU18C
2018-04-01Not available in this setting$1,727.55RVU18B
2018-01-01Not available in this setting$1,727.55RVU18AR1
2017-10-01Not available in this setting$1,727.99RVU17D
2017-07-01Not available in this setting$1,727.99RVU17C
2017-04-01Not available in this setting$1,727.99RVU17B
2017-01-01Not available in this setting$1,727.99RVU17A
2016-10-01Not available in this setting$1,722.69RVU16D
2016-07-01Not available in this setting$1,722.69RVU16C
2016-04-01Not available in this setting$1,722.69RVU16B
2016-01-01Not available in this setting$1,722.69RVU16A
2015-10-01Not available in this setting$1,787.98RVU15D
2015-07-01Not available in this setting$1,787.98RVU15C
2015-04-01Not available in this setting$1,779.08RVU15B
2015-01-01Not available in this setting$1,779.08RVU15A
2014-10-01Not in this releaseNot in this releaseRVU14D
2014-07-01Not in this releaseNot in this releaseRVU14C
2014-04-01Not in this releaseNot in this releaseRVU14B
2014-01-01Not in this releaseNot in this releaseRVU14A
2013-10-01Not in this releaseNot in this releaseRVU13D
2013-07-01Not in this releaseNot in this releaseRVU13C
2013-04-01Not in this releaseNot in this releaseRVU13B
2013-01-01Not in this releaseNot in this releaseRVU13AR

Price 33418 for an earlier date of service

Where the South Dakota rate applies

South Dakota is a Medicare payment area, not a city. Our Census mapping connects it to 485 cities and communities in South Dakota. Some span more than one payment area; confirm with the service ZIP.

  • Aberdeen
  • Agar
  • Agency Village
  • Akaska
  • Albee
  • Alcester
  • Alexandria
  • Allen

Browse all communities in South Dakota

33418 billing questions

When is 33419 reported with 33418?

Report 33418 for the initial prosthesis and 33419 for each additional prosthesis. The operative report should support the number of prostheses used.

Is transseptal puncture separately reported?

Transseptal puncture, when performed for this repair, is included in 33418.

How does 33418 differ from 33425 through 33427?

33418 describes a percutaneous transcatheter repair. Codes 33425 through 33427 describe open surgical mitral valve repair procedures.

Should modifier 50 be appended?

No. Bilateral adjustment does not apply to this code, and modifier 50 is inappropriate.

Can an assistant or co-surgeon be reported?

Assistant-at-surgery payment may be made. Co-surgeon payment requires supporting documentation; team surgery is not permitted.

What happens when another procedure is performed in the same session?

Under the standard multiple procedure reduction, the highest-valued procedure is paid in full and other procedures are subject to a 50% reduction.

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 33418PPRRVU2026_Oct_nonQPP.csv, line 3,947 (RVU26D)
Geographic factors for South DakotaGPCI2026.csv, line 94 (RVU26D)

Open CMS sourceHow we calculate rates

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