Bile Acids, Fractionated

Test ID: ZG366

Component(s): Z6484 Ursodeoxycholic Acids LOINC: 55159-8, Z1845 Cholic Acids LOINC: 30518-5, Z1847 Chenodeoxycholic Acids LOINC: 30519-3, Z1846 Deoxycholic Acids LOINC: 30520-1, Z1848 Total Bile Acids LOINC: 14628-2

CPT code: 82542
LOINC:
Specimen Type: Red, SST, Lav (EDTA), OR green (sodium heparin)
Frequency: 5 – 10 days
Instructions: 1 mL Serum or Plasma from Red, SST, Lav (EDTA), OR green (sodium heparin), Frozen, Separate within two hours . Min 0.3 mL.
Text: This assay quantifies the free acid, glycine-conjugate & taurine-conjugate forms of cholic, chenodeoxycholic, deoxycholic, and ursodeoxycholic acids. Bile acids are needed for cholesterol & fat-soluble vitamin absorption, and to provide resistance to overgrowth of intestinal bacteria. May be measured to investigate obstructive cholestasis in pregnancy
Methodology: High-pressure liquid chromatography/tandem mass spectrometry (HPLC/MS-MS)

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