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Darkfield Microscope Exam for Spirochetes

Georgia rates for HCPCS 87166

Examination of fluid or scrapings under a microscope arranged so that light strikes the sample from the side, making extremely thin corkscrew-shaped bacteria stand out bright against a dark background. It is used mainly to look for the organism that causes syphilis in fluid taken from a sore, and it can give an answer straight away.

Rates data updated July 2026.

How much does Darkfield Microscope Exam for Spirochetes cost?

$10.47

Typical negotiated rate. In Georgia, July 2026.

Insurers have agreed to pay about $10.47 for this service. The price depends on where it is billed: about $9.33 from a physician practice, and about $15.14 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 6 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$9.33$7.59 to $12.59
FacilityA hospital or hospital-owned outpatient department$15.14$11.22 to $19.95

How much rates vary

Facilitymedian $15 · 10th to 90th $9 to $25Professionalmedian $9 · 10th to 90th $6 to $23
$5.0$10.0$20.0$50.0$100.0facility $15professional $9

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
$9.12
Median
$17.38
Typical High
$28.18
Aetna
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$9.55
Typical High
$25.12
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$8.71
Median
$15.14
Typical High
$20.42
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$5.62
Median
$7.94
Typical High
$22.91
CareSource
Setting
Facility
Modifier
Global
Typical Low
$8.71
Median
$8.71
Typical High
$8.71
Cigna
Setting
Facility
Modifier
Global
Typical Low
$11.22
Median
$22.39
Typical High
$34.67
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.31
Median
$8.13
Typical High
$23.99
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$12.30
Median
$16.22
Typical High
$41.69
United
Setting
Facility
Modifier
Global
Typical Low
$6.61
Median
$10.23
Typical High
$13.80
United
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$6.76
Typical High
$15.85

Where Georgia sits

The same service costs 2.4 times more in Hawaii than in Washington, DC. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Georgia $10.47 · 37th of 51
HI $20.42DC $8.51

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.