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Unlisted Mental Health Service

South Carolina rates for HCPCS 90899

Covers a psychiatric or mental-health service that does not match any of the standard named services. The clinician submits a written description of what was provided so the health plan can review it and decide how it is covered. What it involves depends entirely on the individual situation.

Rates data updated October 2026.

How much does Unlisted Mental Health Service cost?

$229

Typical physician fee. In South Carolina, October 2026.

Insurers have agreed to pay about $229 for this service. Most negotiated rates run $30.20 to $417.

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 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $339 · 10th to 90th $204 to $575Professionalmedian $30 · 10th to 90th $30 to $214
$5$20$100$500facility $339professional $30

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

Rates by insurance carrier

Insurance Carrier
BCBS South Carolina
Setting
Facility
Modifier
None
Typical Low
$208.93
Median
$354.81
Typical High
$575.44
Cigna
Setting
Professional
Modifier
None
Typical Low
$91.20
Median
$91.20
Typical High
$91.20
Medcost
Setting
Professional
Modifier
None
Typical Low
$6.03
Median
$213.80
Typical High
$213.80
Molina
Setting
Professional
Modifier
None
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
United
Setting
Facility
Modifier
None
Typical Low
$158.49
Median
$190.55
Typical High
$251.19
5 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
Medcost
Setting
Professional
Modifier
51 · Multiple procedures
Typical Low
$3.02
Median
$107.15
Typical High
$107.15
Medcost
Setting
Professional
Modifier
80 · Assistant surgeon
Typical Low
$1.20
Median
$42.66
Typical High
$42.66
Medcost
Setting
Professional
Modifier
81 · Minimal assistant surgeon
Typical Low
$0.83
Median
$30.20
Typical High
$30.20
Medcost
Setting
Professional
Modifier
82 · Assistant surgeon, no resident
Typical Low
$0.83
Median
$30.20
Typical High
$30.20
Medcost
Setting
Professional
Modifier
AS · PA/NP assist
Typical Low
$0.83
Median
$30.20
Typical High
$30.20

Where South Carolina sits

The same service costs 11749.0 times more in Pennsylvania than in North Carolina. 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· 11th of 49

$229

PA $58,884NC $5.01

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.