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Unlisted Tissue Examination Service

Washington rates for HCPCS 88399

A laboratory examination of tissue removed during surgery or a biopsy for which no standard named entry exists. It is used when a pathologist performs an uncommon or newly developed analysis on a tissue specimen that does not match an established description. A written account of the work done accompanies the claim.

Rates data updated July 2026.

How much does Unlisted Tissue Examination Service cost?

$224

Typical facility fee. In Washington, July 2026.

Insurers have agreed to pay about $224 for this service. Most negotiated rates run $51.29 to $234.

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 3 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $224 · 10th to 90th $51 to $398Professionalmedian $50 · 10th to 90th $40 to $76
$50$100$200facility $224professional $50

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
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$51.29
Median
$223.87
Typical High
$398.11
Molina
Setting
Professional
Modifier
Global
Typical Low
$39.81
Median
$50.12
Typical High
$75.86
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$51.29
Median
$51.29
Typical High
$51.29

Where Washington sits

The same service costs 34673.7 times more in Kentucky than in Michigan. 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· 8th of 33

$224

KY $104,713MI $3.02

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.