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Chromosomal Microarray Analysis

Maryland 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?

$676

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $676 for this service. Most negotiated rates run $537 to $759.

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 $380 · 10th to 90th $380 to $692Professionalmedian $676 · 10th to 90th $380 to $1,047
$500$1K$2K$5Kfacility $380professional $676

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$309.03
Median
$741.31
Typical High
$1,047.13
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$645.65
Median
$645.65
Typical High
$794.33
Cigna
Setting
Professional
Modifier
Global
Typical Low
$416.87
Median
$562.34
Typical High
$1,584.89
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$891.25
Median
$1,071.52
Typical High
$1,348.96
United
Setting
Facility
Modifier
Global
Typical Low
$380.19
Median
$380.19
Typical High
$691.83
United
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$407.38
Typical High
$794.33
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$446.68
Median
$707.95
Typical High
$707.95

Where Maryland sits

The same service costs 6.6 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

$676

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.