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Unlisted Mental Health Service

Michigan 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 July 2026.

How much rates vary

Facilitymedian $39 · 10th to 90th $39 to $479Professionalmedian $525 · 10th to 90th $479 to $646
$50.0$100.0$200.0$500.0facility $39professional $525

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Health Alliance Plan
Setting
Facility
Modifier
Global
Typical Low
$478.63
Median
$478.63
Typical High
$478.63
Health Alliance Plan
Setting
Professional
Modifier
Global
Typical Low
$478.63
Median
$524.81
Typical High
$645.65
United
Setting
Facility
Modifier
Global
Typical Low
$38.90
Median
$38.90
Typical High
$104.71
United
Setting
Professional
Modifier
Global
Typical Low
$64.57
Median
$64.57
Typical High
$64.57