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Urine Trimethylamine And TMAO Test

Idaho 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?

$158

Typical negotiated rate. In Idaho, July 2026.

Insurers have agreed to pay about $158 for this service. The price depends on where it is billed: about $158 from a physician practice, and about $240 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 8 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$158$151 to $309
FacilityA hospital or hospital-owned outpatient department$240$158 to $398

How much rates vary

Facilitymedian $240 · 10th to 90th $158 to $501Professionalmedian $158 · 10th to 90th $112 to $3,715
$100$200$500$1K$2Kfacility $240professional $158

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
$288.40
Median
$416.87
Typical High
$416.87
Aetna
Setting
Professional
Modifier
Global
Typical Low
$112.20
Median
$309.03
Typical High
$3,715.35
BCBS
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$281.84
Typical High
$575.44
BCBS
Setting
Professional
Modifier
Global
Typical Low
$134.90
Median
$138.04
Typical High
$162.18
Cigna
Setting
Facility
Modifier
Global
Typical Low
$630.96
Median
$630.96
Typical High
$630.96
Cigna
Setting
Professional
Modifier
Global
Typical Low
$151.36
Median
$181.97
Typical High
$229.09
Moda Health
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$208.93
Moda Health
Setting
Professional
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$190.55
Molina
Setting
Professional
Modifier
Global
Typical Low
$77.62
Median
$77.62
Typical High
$77.62
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$239.88
Median
$302.00
Typical High
$575.44
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$128.82
Median
$134.90
Typical High
$169.82
Select Health
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$208.93
Select Health
Setting
Professional
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$158.49
United
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$67.61
Typical High
$158.49

Where Idaho 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.

Idaho· 17th of 51

$158

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.