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Urine Trimethylamine And TMAO Test

Washington, DC 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 $191 · 10th–90th $120$9770%20%40%10th90th$191Professionalmedian $120 · 10th–90th $112$1550%50%10th90th$120$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
$120.23
Median
$120.23
Typical High
$977.24
Aetna
Setting
Professional
Modifier
Global
Typical Low
$112.20
Median
$120.23
Typical High
$154.88
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$128.82
Median
$128.82
Typical High
$128.82
Cigna
Setting
Facility
Modifier
Global
Typical Low
$257.04
Median
$269.15
Typical High
$616.60
Cigna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$181.97
Typical High
$229.09
United
Setting
Facility
Modifier
Global
Typical Low
$67.61
Median
$190.55
Typical High
$190.55
United
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$95.50
Typical High
$199.53