Bile Acids, Pregnancy

Test Code

19546

Alias/See Also

LAB00169

CPT Codes
82542

Includes

Cholic Acid
Deoxycholic Acid
Chenodeoxycholic Acid
Total Bile Acids

Preferred Specimen

1 mL serum

Patient Preparation
Overnight fasting is preferred

Minimum Volume

0.5 mL

Instructions

After clot formation, centrifuge sample and pour off serum into a transport tube.

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 14 days
Refrigerated: 21 days
Frozen: 30 days

Methodology
Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Sun-fri

Report Available

4-7 days

Reference Range

Cholic Acid	≤2.8 umol/L
Deoxycholic Acid	≤2.3 umol/L
Chenodeoxycholic Acid	≤3.9 umol/L
Total Bile Acids	≤8.3 umol/L

Clinical Significance

Intrahepatic cholestasis of pregnancy requires rapid TAT of results. Samples for this test will be run straight and on dilution to improve TAT.

Performing Laboratory

Quest Diagnostics Nichols Institute-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.