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Urine Trimethylamine And TMAO Test

Rhode Island 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 $724 · 10th–90th $457$7240%50%10th$724Professionalmedian $112 · 10th–90th $105$1170%50%10th90th$112$100.0$200.0$500.0

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
$457.09
Median
$724.44
Typical High
$724.44
Aetna
Setting
Professional
Modifier
Global
Typical Low
$104.71
Median
$112.20
Typical High
$117.49
BCBS
Setting
Facility
Modifier
Global
Typical Low
$194.98
Median
$194.98
Typical High
$194.98
Cigna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$181.97
Typical High
$229.09
United
Setting
Facility
Modifier
Global
Typical Low
$190.55
Median
$190.55
Typical High
$190.55
United
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$95.50
Typical High
$229.09