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Sex Chromatin Study On A Blood Smear

Maryland 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?

$6.61

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $6.61 for this service. Most negotiated rates run $6.03 to $7.94.

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

Professionalmedian $7 · 10th to 90th $6 to $15
$5$10$20professional $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. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$6.61
Typical High
$30.90
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$5.37
Median
$5.75
Typical High
$8.13
Cigna
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$6.46
Typical High
$19.50
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$9.55
Typical High
$12.02
United
Setting
Professional
Modifier
Global
Typical Low
$4.90
Median
$7.59
Typical High
$13.18
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$3.98
Median
$7.76
Typical High
$7.76

Where Maryland 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.

Maryland· 36th of 51

$6.61

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.