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Sex Chromatin Study On A Blood Smear

Illinois rates for HCPCS 88140

A microscope examination of a stained blood smear that looks for tiny drumstick-shaped tags on the nuclei of certain white blood cells. These tags are a sign of an inactive X chromosome, so their presence gives information about a person's chromosomal sex. Direct chromosome and genetic testing have largely taken its place.

Rates data updated July 2026.

How much does Sex Chromatin Study On A Blood Smear cost?

$6.76

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $6.76 for this service. Most negotiated rates run $6.61 to $9.55.

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.

How much rates vary

Facilitymedian $22 · 10th to 90th $22 to $22Professionalmedian $7 · 10th to 90th $6 to $17
$5$10$20$50facility $22professional $7

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
Facility
Modifier
Global
Typical Low
$21.88
Median
$21.88
Typical High
$21.88
Aetna
Setting
Professional
Modifier
Global
Typical Low
$6.17
Median
$6.61
Typical High
$11.48
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$5.50
Typical High
$6.17
Cigna
Setting
Professional
Modifier
Global
Typical Low
$4.07
Median
$12.02
Typical High
$16.22
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$20.42
Typical High
$69.18
United
Setting
Facility
Modifier
Global
Typical Low
$10.96
Median
$10.96
Typical High
$10.96
United
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$9.33
Typical High
$14.45

Where Illinois sits

The same service costs 2.9 times more in Wyoming 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.

Illinois· 35th of 51

$6.76

WY $15.14NE $5.25

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.