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Darkfield Microscope Exam for Spirochetes

Nevada 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 October 2026.

How much does Darkfield Microscope Exam for Spirochetes cost?

$11.22

Typical negotiated rate. In Nevada, October 2026.

Insurers have agreed to pay about $11.22 for this service. The price depends on where it is billed: about $8.32 from a physician practice, and about $13.18 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$8.32$5.62 to $12.88
FacilityA hospital or hospital-owned outpatient department$13.18$11.22 to $15.85

How much rates vary

Facilitymedian $13 · 10th to 90th $10 to $41Professionalmedian $8 · 10th to 90th $6 to $17
$10$100$1Kfacility $13professional $8

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$8.71
Median
$18.62
Typical High
$60.26
Aetna
Setting
Professional
Modifier
None
Typical Low
$8.32
Median
$9.12
Typical High
$14.45
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$9.55
Median
$12.88
Typical High
$15.85
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$5.62
Median
$5.62
Typical High
$8.32
Cigna
Setting
Facility
Modifier
None
Typical Low
$12.02
Median
$13.18
Typical High
$40.74
Cigna
Setting
Professional
Modifier
None
Typical Low
$8.32
Median
$8.71
Typical High
$16.60
Hometown Health
Setting
Professional
Modifier
None
Typical Low
$3.89
Median
$11.22
Typical High
$18.62
Hometown Health
Setting
Professional
Modifier
None
Typical Low
$3.89
Median
$3.89
Typical High
$3.89
Select Health
Setting
Facility
Modifier
None
Typical Low
$11.22
Median
$11.22
Typical High
$4,265.80
United
Setting
Facility
Modifier
None
Typical Low
$44.67
Median
$44.67
Typical High
$44.67
United
Setting
Professional
Modifier
None
Typical Low
$4.79
Median
$10.23
Typical High
$30.90

Where Nevada sits

The same service costs 3.5 times more in Alaska than in Kentucky. 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.

Nevada· 22nd of 51

$11.22

AK $25.70KY $7.24

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.