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Urine Trimethylamine And TMAO Test

Iowa 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 $251 · 10th–90th $123$4370%10%20%10th90th$251Professionalmedian $126 · 10th–90th $105$1910%20%10th90th$126$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
$123.03
Median
$302.00
Typical High
$436.52
Aetna
Setting
Professional
Modifier
Global
Typical Low
$104.71
Median
$125.89
Typical High
$158.49
Cigna
Setting
Professional
Modifier
Global
Typical Low
$229.09
Median
$309.03
Typical High
$380.19
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$134.90
Median
$199.53
Typical High
$281.84
Medica
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$190.55
Typical High
$426.58
Medica
Setting
Professional
Modifier
Global
Typical Low
$95.50
Median
$95.50
Typical High
$346.74
Midlands
Setting
Professional
Modifier
Global
Typical Low
$190.55
Median
$190.55
Typical High
$190.55
United
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$371.54
United
Setting
Professional
Modifier
Global
Typical Low
$95.50
Median
$95.50
Typical High
$346.74
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$125.89
Median
$158.49
Typical High
$158.49