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Chromosomal Microarray Analysis

Illinois rates for HCPCS 81228

A genetic test that scans all of a person's chromosomes for missing or extra pieces of genetic material that are too small to see under a microscope. It is commonly ordered for a child with developmental delay, intellectual disability, autism, or differences present from birth, to look for an underlying genetic explanation. A blood sample is usually all that is needed.

Rates data updated July 2026.

How much does Chromosomal Microarray Analysis cost?

$741

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $741 for this service. The price depends on where it is billed: about $692 from a physician practice, and about $1,445 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 5 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$692$309 to $776
FacilityA hospital or hospital-owned outpatient department$1,445$912 to $1,862

How much rates vary

Facilitymedian $1,445 · 10th to 90th $741 to $3,020Professionalmedian $692 · 10th to 90th $3 to $1,380
$10.0$100.0$1.0K$10.0Kfacility $1,445professional $692

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
$741.31
Median
$1,412.54
Typical High
$2,238.72
Aetna
Setting
Professional
Modifier
Global
Typical Low
$309.03
Median
$741.31
Typical High
$1,584.89
BCBS
Setting
Facility
Modifier
Global
Typical Low
$1,096.48
Median
$3,162.28
Typical High
$11,220.18
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$616.60
Typical High
$691.83
Cigna
Setting
Facility
Modifier
Global
Typical Low
$602.56
Median
$1,905.46
Typical High
$4,168.69
Cigna
Setting
Professional
Modifier
Global
Typical Low
$436.52
Median
$1,096.48
Typical High
$1,513.56
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$812.83
Median
$1,584.89
Typical High
$3,162.28
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$1,174.90
Median
$1,174.90
Typical High
$1,174.90
United
Setting
Facility
Modifier
Global
Typical Low
$891.25
Median
$891.25
Typical High
$1,819.70
United
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$537.03
Typical High
$891.25

Where Illinois sits

The same service costs 6.6 times more in Alaska than in Vermont. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Illinois $741 · 34th of 51
AK $2,042VT $309

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.