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Genetic Microarray Test for Chromosome Abnormalities

Maryland 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?

$871

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $871 for this service. Most negotiated rates run $575 to $1,288.

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 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $933 · 10th to 90th $631 to $2,884Professionalmedian $871 · 10th to 90th $347 to $2,399
$500$1K$2K$5Kfacility $933professional $871

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
$630.96
Median
$933.25
Typical High
$2,884.03
Aetna
Setting
Professional
Modifier
Global
Typical Low
$338.84
Median
$870.96
Typical High
$4,073.80
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$831.76
Median
$831.76
Typical High
$1,047.13
Cigna
Setting
Professional
Modifier
Global
Typical Low
$549.54
Median
$724.44
Typical High
$2,041.74
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$1,148.15
Median
$1,380.38
Typical High
$1,737.80
United
Setting
Facility
Modifier
Global
Typical Low
$489.78
Median
$489.78
Typical High
$4,168.69
United
Setting
Professional
Modifier
Global
Typical Low
$489.78
Median
$524.81
Typical High
$1,023.29
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$575.44
Median
$912.01
Typical High
$912.01

Where Maryland 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.

Maryland· 44th of 51

$871

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.