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Urine Trimethylamine And TMAO Test

Connecticut 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?

$105

Typical negotiated rate. In Connecticut, July 2026.

Insurers have agreed to pay about $105 for this service. The price depends on where it is billed: about $105 from a physician practice, and about $229 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$105$97.72 to $105
FacilityA hospital or hospital-owned outpatient department$229$158 to $324

How much rates vary

Facilitymedian $229 · 10th to 90th $158 to $398Professionalmedian $105 · 10th to 90th $28 to $158
$10$20$50$100$200$500facility $229professional $105

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
$158.49
Median
$218.78
Typical High
$363.08
Aetna
Setting
Professional
Modifier
Global
Typical Low
$87.10
Median
$104.71
Typical High
$125.89
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$213.80
Median
$263.03
Typical High
$436.52
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$28.18
Typical High
$158.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$257.04
Median
$380.19
Typical High
$912.01
Cigna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$181.97
Typical High
$229.09
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$75.86
Median
$75.86
Typical High
$93.33
United
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$147.91
Typical High
$281.84

Where Connecticut 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.

Connecticut· 49th of 51

$105

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.