Bridge Retainer — Inlay, Cast Base Metal (2 Surf) (D6604) — National Rates

Negotiated reimbursement rates for D6604 across 48 states, sourced from CMS Transparency in Coverage data. 1213 rate records.

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National Average Negotiated Rate
$542
1213 rate records · 48 states
📊 Data updated monthly · Last refresh: March 2026

About D6604 — Bridge Retainer — Inlay, Cast Base Metal (2 Surf)

D6604 describes a bridge retainer made from a cast base metal inlay, specifically for two surfaces. This procedure is indicated for patients requiring a durable and cost-effective solution for tooth restoration. Proper documentation should include clinical notes, treatment rationale, and any relevant diagnostic imaging. Average reimbursement for this procedure is approximately $542, but it can vary widely based on the patient's insurance plan and state regulations. Some payors may have restrictions on the use of base metals, which can impact the reimbursement amount, making it essential for dental billing professionals to confirm coverage specifics prior to treatment.

Reimbursement rates for D6604 vary significantly by state, payor, and provider network. The national average negotiated rate is $542. Data sourced from CMS Transparency in Coverage machine-readable files, updated monthly.

Top Paying States for D6604

Washington
$765
7 records
Maine
$762
3 records
Oregon
$737
3 records

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Full National Breakdown

Median
$535
Low
$20
High
$1,188

Highest & Lowest Reimbursement States

↑ Top 5

StateAvg Rate
Washington$765
Maine$762
Oregon$737
Arizona$719
District of Columbia$678

↓ Bottom 5

StateAvg Rate
Rhode Island$356
Virginia$346
Arkansas$344
Nebraska$324
West Virginia$256

All States — D6604 Average Rates

Washington
$765
Maine
$762
Oregon
$737
Arizona
$719
District of Columbia
$678
Wisconsin
$633
Alaska
$630
Connecticut
$620
New Hampshire
$607
Vermont
$607
Florida
$605
Colorado
$595
New York
$587
Delaware
$584
Utah
$566
New Jersey
$556
California
$553
Nevada
$551
New Mexico
$546
Georgia
$545
Indiana
$545
South Carolina
$526
Massachusetts
$524
North Carolina
$523
Alabama
$521
Texas
$516
Kentucky
$511
Maryland
$510
Ohio
$491
Hawaii
$488
Missouri
$487
Michigan
$470
Idaho
$459
Kansas
$452
Pennsylvania
$450
Mississippi
$448
Louisiana
$439
Illinois
$437
Tennessee
$429
Minnesota
$421
North Dakota
$420
Oklahoma
$410
Iowa
$380
Rhode Island
$356
Virginia
$346
Arkansas
$344
Nebraska
$324
West Virginia
$256
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State-by-State Comparison Table

StateAverageMedianMinMaxRecords
Washington$765$840$533$8877
Maine$762$797$652$8373
Oregon$737$662$662$8873
Arizona$719$804$362$80420
District of Columbia$678$657$545$8323
Wisconsin$633$652$467$7305
Alaska$630$630$509$7512
Connecticut$620$597$580$7138
New Hampshire$607$607$607$6077
Vermont$607$607$607$6071
Florida$605$621$362$74547
Colorado$595$615$366$68324
New York$587$563$338$87813
Delaware$584$584$584$5841
Utah$566$573$434$6834
New Jersey$556$570$299$83714
California$553$557$278$80467
Nevada$551$519$433$68413
New Mexico$546$546$483$6092
Georgia$545$621$338$69725
Indiana$545$550$418$56620
South Carolina$526$530$125$93230
Massachusetts$524$416$356$89413
North Carolina$523$534$403$62919
Alabama$521$457$457$6569
Texas$516$512$362$75516
Kentucky$511$489$415$56228
Maryland$510$496$377$80414
Ohio$491$468$441$5959
Hawaii$488$466$466$5333
Missouri$487$492$354$6065
Michigan$470$487$278$60610
Idaho$459$435$348$7376
Kansas$452$417$339$6067
Pennsylvania$450$430$327$6319
Mississippi$448$448$362$5352
Louisiana$439$362$362$56817
Illinois$437$407$200$62012
Tennessee$429$340$338$53521
Minnesota$421$370$253$76620
North Dakota$420$491$299$4917
Oklahoma$410$410$410$4101
Iowa$380$400$200$6727
Rhode Island$356$356$356$3566
Virginia$346$343$267$56822
Arkansas$344$344$344$3441
Nebraska$324$324$324$3241
West Virginia$256$235$235$3194
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