Inhalation Analgesia (Nitrous Oxide) (D9230) — National Rates

Negotiated reimbursement rates for D9230 across 30 states, sourced from CMS Transparency in Coverage data. 177 rate records.

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National Average Negotiated Rate
$58
177 rate records · 30 states
📊 Data updated monthly · Last refresh: March 2026

About D9230 — Inhalation Analgesia (Nitrous Oxide)

D9230 covers the use of inhalation analgesia, specifically nitrous oxide, during dental procedures. This code is typically used for patients who experience anxiety or discomfort during treatment. Clinical indications include routine procedures where patient cooperation is essential. Documentation should include the patient's consent, the dosage of nitrous oxide administered, and the duration of use. Reimbursement for D9230 can vary widely among payors, with some plans covering it as a standard part of dental care while others may consider it an elective service, leading to out-of-pocket costs for the patient.

Reimbursement rates for D9230 vary significantly by state, payor, and provider network. The national average negotiated rate is $58. Data sourced from CMS Transparency in Coverage machine-readable files, updated monthly.

Top Paying States for D9230

Nevada
$104
8 records
South Carolina
$76
16 records
District of Columbia
$74
3 records

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Full National Breakdown

Median
$53
Low
$14
High
$204

Highest & Lowest Reimbursement States

↑ Top 5

StateAvg Rate
Nevada$104
South Carolina$76
District of Columbia$74
North Dakota$70
Connecticut$69

↓ Bottom 5

StateAvg Rate
Utah$22
Kansas$21
Tennessee$19
Arkansas$17
Minnesota$14

All States — D9230 Average Rates

Nevada
$104
South Carolina
$76
District of Columbia
$74
North Dakota
$70
Connecticut
$69
Georgia
$66
Delaware
$64
Wisconsin
$61
New Jersey
$60
Maryland
$58
California
$55
Arizona
$54
Colorado
$53
New York
$53
Virginia
$46
Missouri
$44
Pennsylvania
$43
Idaho
$42
Texas
$40
Florida
$35
Massachusetts
$33
Puerto Rico
$33
Washington
$32
Nebraska
$31
Louisiana
$23
Utah
$22
Kansas
$21
Tennessee
$19
Arkansas
$17
Minnesota
$14
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State-by-State Comparison Table

StateAverageMedianMinMaxRecords
Nevada$104$112$33$1658
South Carolina$76$57$29$20416
District of Columbia$74$75$62$853
North Dakota$70$70$70$701
Connecticut$69$67$67$733
Georgia$66$42$40$1655
Delaware$64$64$64$641
Wisconsin$61$61$61$611
New Jersey$60$61$41$728
Maryland$58$58$58$581
California$55$55$37$9427
Arizona$54$54$53$552
Colorado$53$53$53$5314
New York$53$41$30$20012
Virginia$46$46$46$462
Missouri$44$44$35$544
Pennsylvania$43$39$39$506
Idaho$42$42$30$532
Texas$40$40$27$534
Florida$35$35$18$522
Massachusetts$33$33$26$4110
Puerto Rico$33$33$33$331
Washington$32$32$32$345
Nebraska$31$31$31$311
Louisiana$23$23$23$231
Utah$22$22$21$242
Kansas$21$18$18$458
Tennessee$19$17$17$223
Arkansas$17$17$15$192
Minnesota$14$14$14$141
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