Rates› D4921

Gingival Irrigation — Per Quadrant (D4921) — National Rates

Negotiated reimbursement rates for D4921 across 25 states, sourced from CMS Transparency in Coverage data. 246 rate records.

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National Average Negotiated Rate
$40
246 rate records · 25 states
📊 Data updated monthly · Last refresh: March 2026

About D4921 — Gingival Irrigation — Per Quadrant

CDT Code D4921 covers Gingival Irrigation — Per Quadrant. The national average negotiated rate is $40. Rates vary significantly by state, payor, and provider network. Data sourced from CMS Transparency in Coverage machine-readable files.

Top Paying States for D4921

Hawaii
$76
1 records
California
$69
53 records
Washington
$58
2 records

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Full National Breakdown

Median
$34
Low
$8
High
$106

Highest & Lowest Reimbursement States

↑ Top 5

StateAvg Rate
Hawaii$76
California$69
Washington$58
New York$56
Connecticut$54

↓ Bottom 5

StateAvg Rate
Alabama$19
Maryland$18
Kentucky$14
Ohio$14
Illinois$8

All States — D4921 Average Rates

Hawaii
$76
California
$69
Washington
$58
New York
$56
Connecticut
$54
Nevada
$41
Wisconsin
$40
Colorado
$40
Utah
$35
Pennsylvania
$34
Georgia
$33
North Carolina
$29
Texas
$28
Louisiana
$25
Massachusetts
$25
Virginia
$24
New Jersey
$23
Michigan
$22
Minnesota
$21
Missouri
$19
Alabama
$19
Maryland
$18
Kentucky
$14
Ohio
$14
Illinois
$8
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State-by-State Comparison Table

StateAverageMedianMinMaxRecords
Hawaii$76$76$76$761
California$69$67$32$10653
Washington$58$58$58$582
New York$56$75$12$7510
Connecticut$54$56$14$904
Nevada$41$40$37$464
Wisconsin$40$40$16$652
Colorado$40$26$19$866
Utah$35$35$35$351
Pennsylvania$34$22$18$754
Georgia$33$34$13$3460
North Carolina$29$28$25$344
Texas$28$32$22$5045
Louisiana$25$25$25$251
Massachusetts$25$25$25$251
Virginia$24$25$15$2711
New Jersey$23$23$23$231
Michigan$22$22$22$221
Minnesota$21$21$21$2112
Missouri$19$19$19$191
Alabama$19$18$18$2510
Maryland$18$18$18$192
Kentucky$14$9$9$253
Ohio$14$11$10$223
Illinois$8$8$8$81
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