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Unlisted Skin Or Subcutaneous Tissue Procedure

California rates for HCPCS 17999

Covers an operation on the skin, a mucous membrane, or the fatty layer just beneath the skin 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 comparing it with similar named procedures. It is used only when nothing else fits the work performed.

Rates data updated July 2026.

How much does Unlisted Skin Or Subcutaneous Tissue Procedure cost?

$631

Typical negotiated rate. In California, July 2026.

Insurers have agreed to pay about $631 for this service. The price depends on where it is billed: about $372 from a physician practice, and about $3,631 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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 10 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$372$209 to $891
FacilityA hospital or hospital-owned outpatient department$3,631$1,622 to $8,128

How much rates vary

Facilitymedian $3,631 · 10th to 90th $661 to $15,136Professionalmedian $372 · 10th to 90th $76 to $2,630
$10$100$1K$10Kfacility $3,631professional $372

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. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$1,659.59
Median
$5,623.41
Typical High
$17,378.01
Aetna
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$398.11
Typical High
$3,715.35
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$1,548.82
Median
$3,090.30
Typical High
$10,964.78
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$0.02
Median
$0.02
Typical High
$15,848.93
Blue Shield
Setting
Facility
Modifier
Global
Typical Low
$64.57
Median
$933.25
Typical High
$1,995.26
Blue Shield
Setting
Professional
Modifier
Global
Typical Low
$54.95
Median
$75.86
Typical High
$100.00
Cigna
Setting
Professional
Modifier
Global
Typical Low
$15,135.61
Median
$15,135.61
Typical High
$15,135.61
Contra Costa Health
Setting
Professional
Modifier
Global
Typical Low
$15,135.61
Median
$15,135.61
Typical High
$15,135.61
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$398.11
Typical High
$1,698.24
Lucent Health
Setting
Facility
Modifier
Global
Typical Low
$54.95
Median
$56.23
Typical High
$56.23
Molina
Setting
Professional
Modifier
Global
Typical Low
$60.26
Median
$60.26
Typical High
$60.26
Providence
Setting
Professional
Modifier
Global
Typical Low
$60.26
Median
$79.43
Typical High
$15,135.61
United
Setting
Facility
Modifier
Global
Typical Low
$549.54
Median
$1,584.89
Typical High
$6,760.83
United
Setting
Professional
Modifier
Global
Typical Low
$70.79
Median
$79.43
Typical High
$79.43

Where California sits

The same service costs 20.0 times more in Indiana than in Montana. 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.

California· 34th of 50

$631

IN $4,786MT $240

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.