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Additional Sedation Time by a Second Provider

South Carolina rates for HCPCS 99157

This covers each additional block of time that a separate qualified provider spends administering sedation medication and monitoring a patient during a procedure performed by a different physician. It is used when a procedure runs longer than the initial sedation period already accounted for.

Rates data updated October 2026.

How much does Additional Sedation Time by a Second Provider cost?

$63.10

Typical physician fee. In South Carolina, October 2026.

Insurers have agreed to pay about $63.10 for this service. Most negotiated rates run $58.88 to $67.61.

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 7 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $71 · 10th to 90th $63 to $162Professionalmedian $63 · 10th to 90th $52 to $87
$50$100facility $71professional $63

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$63.10
Median
$63.10
Typical High
$162.18
Aetna
Setting
Professional
Modifier
None
Typical Low
$61.66
Median
$63.10
Typical High
$64.57
BCBS South Carolina
Setting
Professional
Modifier
None
Typical Low
$52.48
Median
$60.26
Typical High
$69.18
Cigna
Setting
Professional
Modifier
None
Typical Low
$58.88
Median
$66.07
Typical High
$109.65
Medcost
Setting
Facility
Modifier
None
Typical Low
$63.10
Median
$70.79
Typical High
$162.18
Medcost
Setting
Professional
Modifier
None
Typical Low
$67.61
Median
$67.61
Typical High
$85.11
Molina
Setting
Professional
Modifier
None
Typical Low
$33.88
Median
$44.67
Typical High
$66.07
United
Setting
Professional
Modifier
None
Typical Low
$53.70
Median
$69.18
Typical High
$107.15
3 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$12.30
Median
$12.88
Typical High
$12.88
Ambetter
Setting
Professional
Modifier
GC · Resident with teaching physician
Typical Low
$97.72
Median
$97.72
Typical High
$97.72
Medcost
Setting
Professional
Modifier
51 · Multiple procedures
Typical Low
$33.88
Median
$33.88
Typical High
$53.70

Where South Carolina sits

The same service costs 3.1 times more in Alaska than in New York. 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.

South Carolina· 35th of 51

$63.10

AK $158NY $51.29

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.