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Genetic Microarray Test for Chromosome Abnormalities

Illinois rates for HCPCS 81229

This is a genetic laboratory test that scans a person's chromosomes across the genome to detect missing, extra, or rearranged pieces of genetic material, including smaller variations that other genetic tests can miss. It is often used to help find a genetic cause behind developmental delay, intellectual disability, or certain birth differences.

Rates data updated July 2026.

How much does Genetic Microarray Test for Chromosome Abnormalities cost?

$977

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $977 for this service. The price depends on where it is billed: about $933 from a physician practice, and about $1,905 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$933$490 to $1,096
FacilityA hospital or hospital-owned outpatient department$1,905$1,380 to $2,399

How much rates vary

Facilitymedian $1,905 · 10th to 90th $1,000 to $3,890Professionalmedian $933 · 10th to 90th $3 to $1,995
$10$100$1K$10Kfacility $1,905professional $933

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
$1,000.00
Median
$1,905.46
Typical High
$3,548.13
Aetna
Setting
Professional
Modifier
Global
Typical Low
$309.03
Median
$954.99
Typical High
$2,137.96
BCBS
Setting
Facility
Modifier
Global
Typical Low
$1,412.54
Median
$4,073.80
Typical High
$14,454.40
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$794.33
Typical High
$891.25
Cigna
Setting
Facility
Modifier
Global
Typical Low
$758.58
Median
$2,454.71
Typical High
$5,370.32
Cigna
Setting
Professional
Modifier
Global
Typical Low
$562.34
Median
$1,412.54
Typical High
$1,949.84
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$1,047.13
Median
$2,041.74
Typical High
$4,897.79
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
$1,513.56
Median
$1,513.56
Typical High
$1,513.56
United
Setting
Facility
Modifier
Global
Typical Low
$1,148.15
Median
$1,148.15
Typical High
$2,344.23
United
Setting
Professional
Modifier
Global
Typical Low
$489.78
Median
$691.83
Typical High
$1,202.26

Where Illinois sits

The same service costs 8.5 times more in Alaska than in Vermont. 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.

Illinois· 34th of 51

$977

AK $2,630VT $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.