Rates› California› D4921

Gingival Irrigation — Per Quadrant (D4921) in California

Negotiated reimbursement rates for D4921 from CMS Transparency in Coverage data. Based on 53 rate records from 53 providers in California.

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Average Negotiated Rate in California
$69
53 rate records · 53 providers
📊 Data updated monthly · Last refresh: March 2026

Provider-Level Rates

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Individual provider rates for D4921 in California. 49 provider records.

Provider City Rate Percentile
EndodontistTorrance$10498th
EndodontistTorrance$10498th
General DentistRancho Mirage$8694th
EndodontistSacramento$8694th
EndodontistLos Angeles$8694th
OrthodontistSan Francisco$8694th
Pediatric DentistWoodland$8694th
General DentistSacramento$8694th
PeriodontistRoseville$8694th
Oral SurgeonOakland$8694th
Pediatric DentistCupertino$8579th
Oral SurgeonCupertino$8579th
Oral SurgeonSacramento$7775th
General DentistMarina$7674th
General DentistSan Francisco$7674th
General DentistLos Angeles$7674th
PeriodontistRedwood City$7674th
Oral SurgeonStockton$7674th
Oral SurgeonLafayette$7674th
PeriodontistSan Jose$7674th

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What is D4921?

Gingival Irrigation — Per Quadrant (CDT Code D4921) — These rates represent negotiated amounts between dental insurance payors and providers in California as reported in CMS Transparency in Coverage machine-readable files.

Top States for D4921

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

22+ more states available with Pro ↓

Full Rate Breakdown

Median Rate
$67
Low
$32
High
$106
25th Percentile
$64
75th Percentile
$77
Data Points
53

Compare D4921 Rates Across All 25 States

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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