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Urine Trimethylamine And TMAO Test

Maryland 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 $76 · 10th–90th $68$1200%20%40%10th90th$76Professionalmedian $129 · 10th–90th $87$1580%20%10th90th$129$10.0$20.0$50.0$100.0$200.0

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

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$104.71
Median
$128.82
Typical High
$154.88
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$128.82
Typical High
$131.83
Cigna
Setting
Facility
Modifier
Global
Typical Low
$85.11
Median
$85.11
Typical High
$85.11
Cigna
Setting
Professional
Modifier
Global
Typical Low
$85.11
Median
$181.97
Typical High
$229.09
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$151.36
Median
$177.83
Typical High
$239.88
United
Setting
Facility
Modifier
Global
Typical Low
$67.61
Median
$67.61
Typical High
$158.49
United
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$72.44
Typical High
$154.88
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$23.99
Typical High
$239.88