go back

Serotonin Metabolite Blood Test

Louisiana rates for HCPCS 83497

This blood test measures a breakdown product of serotonin, one of the body's chemical messengers, in the blood. Elevated levels can point to a hormone-producing tumor arising from certain gut or nerve tissue, so the test is often used when a doctor suspects one of these tumors. It is frequently ordered together with related tests for a fuller clinical picture.

Rates data updated July 2026.

How much does Serotonin Metabolite Blood Test cost?

$15.85

Typical negotiated rate. In Louisiana, July 2026.

Insurers have agreed to pay about $15.85 for this service. The price depends on where it is billed: about $14.13 from a physician practice, and about $17.78 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 5 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$14.13$9.77 to $15.85
FacilityA hospital or hospital-owned outpatient department$17.78$15.49 to $33.88

How much rates vary

Facilitymedian $18 · 10th to 90th $13 to $52Professionalmedian $14 · 10th to 90th $7 to $23
$10$20$50$100facility $18professional $14

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
$13.80
Median
$17.78
Typical High
$52.48
Aetna
Setting
Professional
Modifier
Global
Typical Low
$9.77
Median
$15.49
Typical High
$23.44
BCBS
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$26.30
Typical High
$47.86
BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.72
Median
$14.13
Typical High
$25.12
Christus
Setting
Facility
Modifier
Global
Typical Low
$13.18
Median
$13.18
Typical High
$39.81
Cigna
Setting
Facility
Modifier
Global
Typical Low
$13.80
Median
$36.31
Typical High
$79.43
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.03
Median
$8.51
Typical High
$14.79
United
Setting
Facility
Modifier
Global
Typical Low
$5.37
Median
$12.88
Typical High
$15.85
United
Setting
Professional
Modifier
Global
Typical Low
$5.37
Median
$7.59
Typical High
$18.20

Where Louisiana sits

The same service costs 3.2 times more in Nebraska than in Washington, DC. 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· 23rd of 51

$15.85

NE $30.90DC $9.77

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.