Biliribun Pretreatment Unit of Measure
**Note 1:** Physician statement of Bilirubin Pretreatment Unit of Measure can be used to code this data item when no other information is available.
**Note 2:** There are two main methods of describing concentrations: by weight, and by molecular count.
* Weights are recorded in grams, and molecular counts are recorded in moles.
* Milligrams/deciliter (mg/dL) is the unit of measure commonly used in the United States.
* Micromoles/liter (umol/L) is the designated Systeme International (SI) unit of measure commonly used in Canada and Europe.
* 1 mg/dL of bilirubin is 17.1 umol/L.
**Note 3:** The same laboratory test should be used to record information in Bilirubin Pretreatment Total Lab Value [NAACCR Data Item # 3813].