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Sedation Support During a Procedure

Washington rates for HCPCS 99156

This covers moderate sedation given by a physician or other qualified provider who is separate from the person performing the main procedure, so that one provider can focus entirely on keeping the patient comfortable and monitored. It covers the first portion of time spent providing and monitoring this sedation.

Rates data updated July 2026.

How much does Sedation Support During a Procedure cost?

$102

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $102 for this service. The price depends on where it is billed: about $102 from a physician practice, and about $141 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 11 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$102$79.43 to $158
FacilityA hospital or hospital-owned outpatient department$141$100 to $162

How much rates vary

Facilitymedian $141 · 10th to 90th $85 to $191Professionalmedian $102 · 10th to 90th $68 to $302
$50$100$200facility $141professional $102

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$95.50
Median
$165.96
Typical High
$213.80
Aetna
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$95.50
Typical High
$363.08
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$56.23
Median
$60.26
Typical High
$69.18
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$87.10
Median
$117.49
Typical High
$181.97
Cigna
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$125.89
Typical High
$218.78
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$69.18
Median
$114.82
Typical High
$177.83
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$69.18
Median
$107.15
Typical High
$177.83
Molina
Setting
Professional
Modifier
Global
Typical Low
$32.36
Median
$33.11
Typical High
$45.71
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$120.23
Median
$144.54
Typical High
$147.91
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$102.33
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$102.33
Median
$128.82
Typical High
$208.93
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$87.10
Median
$117.49
Typical High
$181.97
United
Setting
Facility
Modifier
Global
Typical Low
$51.29
Median
$70.79
Typical High
$79.43
United
Setting
Professional
Modifier
Global
Typical Low
$75.86
Median
$125.89
Typical High
$213.80
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$66.07
Median
$74.13
Typical High
$141.25

Where Washington sits

The same service costs 2.7 times more in Alaska than in Washington, DC. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Washington· 17th of 51

$102

AK $191DC $70.79

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.