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Urine Trimethylamine And TMAO Test

Washington 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 June 2026.

Facilitymedian $224 · 10th–90th $158$8910%10%20%10th90th$224Professionalmedian $145 · 10th–90th $107$1580%20%40%10th90th$145$100.0$200.0$500.0$1.0K

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$724.44
Typical High
$1,584.89
Aetna
Setting
Professional
Modifier
Global
Typical Low
$112.20
Median
$131.83
Typical High
$154.88
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$234.42
Typical High
$323.59
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$144.54
Typical High
$169.82
Cigna
Setting
Facility
Modifier
Global
Typical Low
$165.96
Median
$354.81
Typical High
$416.87
Cigna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$181.97
Typical High
$229.09
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$177.83
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$257.04
Typical High
$501.19
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$144.54
Typical High
$199.53
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$181.97
Median
$239.88
Typical High
$371.54
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$144.54
Typical High
$169.82
United
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$190.55
Typical High
$190.55
United
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$67.61
Typical High
$158.49
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$72.44
Median
$83.18
Typical High
$288.40