go back

Drainage Of A Cavity Inside The Spinal Cord

Washington rates for HCPCS 63173

Surgery to drain a fluid-filled cavity that has formed inside the spinal cord and is pressing on it from within. Part of the bone at the back of the spine is removed, the cavity is opened, and a small shunt tube is placed to carry the fluid away into another body cavity where it is absorbed. It is done to halt worsening weakness, numbness, or pain.

Rates data updated July 2026.

How much does Drainage Of A Cavity Inside The Spinal Cord cost?

$2,818

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $2,818 for this service. The price depends on where it is billed: about $2,570 from a physician practice, and about $3,311 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$2,570$2,042 to $3,890
FacilityA hospital or hospital-owned outpatient department$3,311$2,138 to $4,169

How much rates vary

Facilitymedian $3,311 · 10th to 90th $1,738 to $7,943Professionalmedian $2,570 · 10th to 90th $1,549 to $4,677
$50$200$1K$5K$20Kfacility $3,311professional $2,570

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
$2,137.96
Median
$4,365.16
Typical High
$18,620.87
Aetna
Setting
Professional
Modifier
Global
Typical Low
$1,548.82
Median
$2,238.72
Typical High
$4,786.30
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$2,398.83
Median
$3,388.44
Typical High
$4,786.30
Cigna
Setting
Facility
Modifier
Global
Typical Low
$1,995.26
Median
$1,995.26
Typical High
$2,290.87
Cigna
Setting
Professional
Modifier
Global
Typical Low
$1,698.24
Median
$2,754.23
Typical High
$5,011.87
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$1,621.81
Median
$2,398.83
Typical High
$4,168.69
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$1,621.81
Median
$2,570.40
Typical High
$4,168.69
Molina
Setting
Professional
Modifier
Global
Typical Low
$32.36
Median
$33.11
Typical High
$109.65
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$2,398.83
Median
$3,311.31
Typical High
$3,388.44
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$2,344.23
Median
$2,344.23
Typical High
$2,398.83
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$2,398.83
Median
$3,548.13
Typical High
$4,570.88
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$2,398.83
Median
$3,467.37
Typical High
$4,677.35
United
Setting
Facility
Modifier
Global
Typical Low
$707.95
Median
$1,621.81
Typical High
$5,754.40
United
Setting
Professional
Modifier
Global
Typical Low
$1,737.80
Median
$2,570.40
Typical High
$4,786.30
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$1,445.44
Median
$1,905.46
Typical High
$3,467.37

Where Washington sits

The same service costs 4.6 times more in California than in Oklahoma. 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· 11th of 51

$2,818

CA $7,413OK $1,622

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.