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Urine Trimethylamine And TMAO Test

South Dakota rates for HCPCS 0256U

Measures two related chemicals in urine — trimethylamine and its oxidized form, trimethylamine N-oxide — and reports them together as a paired profile. Trimethylamine is produced when gut bacteria break down certain foods, and the body normally converts it into trimethylamine N-oxide.

Rates data updated July 2026.

How much does Urine Trimethylamine And TMAO Test cost?

$309

Typical negotiated rate. In South Dakota, July 2026.

Insurers have agreed to pay about $309 for this service. The price depends on where it is billed: about $309 from a physician practice, and about $182 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$309$126 to $380
FacilityA hospital or hospital-owned outpatient department$182$155 to $182

How much rates vary

Facilitymedian $182 · 10th to 90th $112 to $295Professionalmedian $309 · 10th to 90th $107 to $389
$100$200$500facility $182professional $309

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$112.20
Median
$181.97
Typical High
$181.97
Aetna
Setting
Professional
Modifier
Global
Typical Low
$107.15
Median
$125.89
Typical High
$125.89
Cigna
Setting
Professional
Modifier
Global
Typical Low
$229.09
Median
$309.03
Typical High
$380.19
Medica
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$154.88
Typical High
$758.58
Medica
Setting
Professional
Modifier
Global
Typical Low
$81.28
Median
$81.28
Typical High
$190.55
Sanford Health Plan
Setting
Professional
Modifier
Global
Typical Low
$229.09
Median
$371.54
Typical High
$436.52
United
Setting
Facility
Modifier
Global
Typical Low
$190.55
Median
$190.55
Typical High
$190.55
United
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$95.50
Typical High
$208.93
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$158.49

Where South Dakota sits

The same service costs 3.2 times more in South Dakota 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.

South Dakota· 1st of 51

$309

SD $309KY $95.50

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.