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Protein Pattern Test, Body Fluid

Louisiana rates for HCPCS 84166

This lab test separates the proteins in a body fluid other than blood, such as urine or spinal fluid, into distinct bands based on their electrical charge, helping to identify abnormal patterns of protein that can point to certain conditions. It gives a broad picture of protein types present rather than identifying one specific protein.

Rates data updated October 2026.

How much does Protein Pattern Test, Body Fluid cost?

$19.50

Typical negotiated rate. In Louisiana, October 2026.

Insurers have agreed to pay about $19.50 for this service. The price depends on where it is billed: about $17.78 from a physician practice, and about $22.91 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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$17.78$12.59 to $21.38
FacilityA hospital or hospital-owned outpatient department$22.91$18.62 to $38.90

How much rates vary

Facilitymedian $23 · 10th to 90th $19 to $63Professionalmedian $18 · 10th to 90th $7 to $27
$10$20$50$100facility $23professional $18

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
$19.05
Median
$23.44
Typical High
$85.11
Aetna
Setting
Professional
Modifier
None
Typical Low
$16.60
Median
$21.38
Typical High
$23.44
BCBS Louisiana
Setting
Facility
Modifier
None
Typical Low
$22.39
Median
$36.31
Typical High
$67.61
BCBS Louisiana
Setting
Professional
Modifier
None
Typical Low
$14.79
Median
$19.50
Typical High
$26.92
Christus
Setting
Facility
Modifier
None
Typical Low
$18.62
Median
$18.62
Typical High
$18.62
Cigna
Setting
Facility
Modifier
None
Typical Low
$19.95
Median
$38.90
Typical High
$107.15
Cigna
Setting
Professional
Modifier
None
Typical Low
$16.22
Median
$16.22
Typical High
$30.20
United
Setting
Facility
Modifier
None
Typical Low
$7.41
Median
$16.22
Typical High
$17.78
United
Setting
Professional
Modifier
None
Typical Low
$7.41
Median
$8.91
Typical High
$25.12

Where Louisiana sits

The same service costs 3.7 times more in Vermont than in Maryland. 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.

Louisiana· 25th of 51

$19.50

VT $52.48MD $14.13

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.