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Urine Trimethylamine And TMAO Test

Nationwide 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 $240 · 10th–90th $123$7410%10%20%10th90th$240Professionalmedian $126 · 10th–90th $83$1910%20%10th90th$126$5.0$20.0$100.0$500.0$2.0K$10.0K$50.0K

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
$134.90
Median
$275.42
Typical High
$724.44
Aetna
Setting
Professional
Modifier
Global
Typical Low
$104.71
Median
$125.89
Typical High
$177.83
BCBS
Setting
Facility
Modifier
Global
Typical Low
$89.13
Median
$251.19
Typical High
$776.25
BCBS
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$12.02
Typical High
$177.83
Cigna
Setting
Facility
Modifier
Global
Typical Low
$109.65
Median
$316.23
Typical High
$707.95
Cigna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$234.42
Typical High
$389.05
United
Setting
Facility
Modifier
Global
Typical Low
$67.61
Median
$158.49
Typical High
$190.55
United
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$95.50
Typical High
$181.97