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Urine Trimethylamine And TMAO Test

North Carolina 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?

$129

Typical negotiated rate. In North Carolina, July 2026.

Insurers have agreed to pay about $129 for this service. The price depends on where it is billed: about $129 from a physician practice, and about $129 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$129$115 to $129
FacilityA hospital or hospital-owned outpatient department$129$129 to $219

How much rates vary

Facilitymedian $129 · 10th to 90th $83 to $759Professionalmedian $129 · 10th to 90th $95 to $129
$100$200$500facility $129professional $129

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
$128.82
Median
$128.82
Typical High
$346.74
Aetna
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$128.82
Typical High
$128.82
BCBS
Setting
Facility
Modifier
Global
Typical Low
$354.81
Median
$354.81
Typical High
$512.86
BCBS
Setting
Professional
Modifier
Global
Typical Low
$104.71
Median
$144.54
Typical High
$158.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$131.83
Median
$416.87
Typical High
$724.44
Cigna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$194.98
Typical High
$245.47
Medcost
Setting
Facility
Modifier
Global
Typical Low
$83.18
Median
$117.49
Typical High
$169.82
Medcost
Setting
Professional
Modifier
Global
Typical Low
$104.71
Median
$104.71
Typical High
$120.23
United
Setting
Facility
Modifier
Global
Typical Low
$79.43
Median
$158.49
Typical High
$190.55
United
Setting
Professional
Modifier
Global
Typical Low
$72.44
Median
$79.43
Typical High
$158.49
Wellcare
Setting
Facility
Modifier
Global
Typical Low
$758.58
Median
$758.58
Typical High
$758.58

Where North Carolina 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.

North Carolina· 36th of 51

$129

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.