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Urine Trimethylamine And TMAO Test

Arizona 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?

$126

Typical negotiated rate. In Arizona, July 2026.

Insurers have agreed to pay about $126 for this service. The price depends on where it is billed: about $107 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$107$67.61 to $107
FacilityA hospital or hospital-owned outpatient department$229$126 to $437

How much rates vary

Facilitymedian $229 · 10th to 90th $95 to $631Professionalmedian $107 · 10th to 90th $68 to $170
$100$200$500$1Kfacility $229professional $107

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
$123.03
Median
$245.47
Typical High
$630.96
Aetna
Setting
Professional
Modifier
Global
Typical Low
$87.10
Median
$107.15
Typical High
$107.15
BCBS
Setting
Facility
Modifier
Global
Typical Low
$95.50
Median
$398.11
Typical High
$758.58
BCBS
Setting
Professional
Modifier
Global
Typical Low
$125.89
Median
$134.90
Typical High
$645.65
Cigna
Setting
Facility
Modifier
Global
Typical Low
$95.50
Median
$123.03
Typical High
$380.19
Cigna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$194.98
Typical High
$245.47
Medica
Setting
Facility
Modifier
Global
Typical Low
$83.18
Median
$120.23
Typical High
$758.58
Medica
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$67.61
Typical High
$158.49
United
Setting
Facility
Modifier
Global
Typical Low
$120.23
Median
$158.49
Typical High
$158.49
United
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$67.61
Typical High
$158.49

Where Arizona 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.

Arizona· 37th of 51

$126

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.