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Unlisted Thigh Bone Or Knee Operation

Connecticut rates for HCPCS 27599

Covers an operation on the thigh bone or the knee for which there is no standard named service. The surgeon submits a written report describing exactly what was done, and the insurer prices it by comparison with similar named operations. It is used only when no named thigh or knee procedure matches the work performed.

Rates data updated July 2026.

Facilitymedian $4,786 · 10th–90th $2,818$10,2330%20%40%10th90th$4,786Professionalmedian $2,630 · 10th–90th $776$54,9540%20%10th90th$2,630$0.0$0.2$2.0$20.0$200.0$2.0K$20.0K

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$3,388.44
Median
$5,011.87
Typical High
$10,471.29
Aetna
Setting
Professional
Modifier
Global
Typical Low
$776.25
Median
$2,630.27
Typical High
$4,168.69
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$1,621.81
Median
$3,162.28
Typical High
$10,232.93
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$0.02
Median
$0.02
Typical High
$0.02
Cigna
Setting
Facility
Modifier
Global
Typical Low
$851.14
Median
$851.14
Typical High
$851.14
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$54,954.09
Median
$54,954.09
Typical High
$54,954.09
Health New England
Setting
Professional
Modifier
Global
Typical Low
$3,981.07
Median
$3,981.07
Typical High
$18,620.87
United
Setting
Facility
Modifier
Global
Typical Low
$1,318.26
Median
$3,981.07
Typical High
$7,079.46
United
Setting
Professional
Modifier
Global
Typical Low
$50.12
Median
$64.57
Typical High
$64.57