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Urine Trimethylamine And TMAO Test

Missouri 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?

$178

Typical negotiated rate. In Missouri, July 2026.

Insurers have agreed to pay about $178 for this service. The price depends on where it is billed: about $110 from a physician practice, and about $269 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$110$9.55 to $191
FacilityA hospital or hospital-owned outpatient department$269$191 to $275

How much rates vary

Facilitymedian $269 · 10th to 90th $158 to $309Professionalmedian $110 · 10th to 90th $10 to $309
$10$20$50$100$200$500facility $269professional $110

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
$208.93
Median
$275.42
Typical High
$309.03
Aetna
Setting
Professional
Modifier
Global
Typical Low
$251.19
Median
$269.15
Typical High
$549.54
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$109.65
Typical High
$257.04
Cigna
Setting
Facility
Modifier
Global
Typical Low
$223.87
Median
$338.84
Typical High
$831.76
Cigna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$181.97
Typical High
$229.09
Medica
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$275.42
Typical High
$758.58
Medica
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$95.50
Typical High
$173.78
United
Setting
Facility
Modifier
Global
Typical Low
$72.44
Median
$158.49
Typical High
$190.55
United
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$95.50
Typical High
$190.55

Where Missouri 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.

Missouri· 10th of 51

$178

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.