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Growing Cells For Chromosome Testing

Washington rates for HCPCS 88235

A laboratory step in which cells taken from a patient sample are grown in culture until there are enough of them to examine. This is what makes chromosome and other genetic analysis possible, and it is reported separately from the analysis that follows. Growing the cells is why such testing takes days to weeks.

Rates data updated July 2026.

How much does Growing Cells For Chromosome Testing cost?

$151

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $151 for this service. The price depends on where it is billed: about $151 from a physician practice, and about $186 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$151$129 to $219
FacilityA hospital or hospital-owned outpatient department$186$151 to $355

How much rates vary

Facilitymedian $186 · 10th to 90th $151 to $447Professionalmedian $151 · 10th to 90th $91 to $339
$100$200$500facility $186professional $151

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
Professional
Modifier
Global
Typical Low
$83.18
Median
$141.25
Typical High
$223.87
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$128.82
Median
$151.36
Typical High
$194.98
Cigna
Setting
Professional
Modifier
Global
Typical Low
$97.72
Median
$173.78
Typical High
$229.09
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$239.88
Typical High
$478.63
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$151.36
Median
$288.40
Typical High
$478.63
Molina
Setting
Professional
Modifier
Global
Typical Low
$75.86
Median
$131.83
Typical High
$158.49
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$151.36
Typical High
$302.00
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$151.36
Median
$151.36
Typical High
$181.97
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$134.90
Median
$134.90
Typical High
$199.53
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$128.82
Median
$151.36
Typical High
$194.98
United
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$151.36
Typical High
$162.18
United
Setting
Professional
Modifier
Global
Typical Low
$91.20
Median
$151.36
Typical High
$309.03
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$67.61
Typical High
$67.61

Where Washington sits

The same service costs 2.3 times more in Hawaii than in Nebraska. 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· 25th of 51

$151

HI $234NE $100

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.