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Unlisted Tissue Examination Service

Illinois 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 rates vary

Facilitymedian $66 · 10th to 90th $66 to $66Professionalmedian $5 · 10th to 90th $4 to $52
$5$10$20$50facility $66professional $5

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
Aetna
Setting
Facility
Modifier
Global
Typical Low
$66.07
Median
$66.07
Typical High
$66.07
Aetna
Setting
Professional
Modifier
Global
Typical Low
$3.98
Median
$5.01
Typical High
$5.01
Cigna
Setting
Professional
Modifier
Global
Typical Low
$52.48
Median
$52.48
Typical High
$52.48