Bile Acids, Fractionated and Total, Pregnancy (QBATP)

Message
Overnight fasting is preferred.

Test Code
LAB3471

Quest Code
19546

CPT Codes
82542

Includes

Cholic Acid, Deoxycholic Acid, Chenodeoxycholic Acid, Total Bile Acids



Preferred Specimen
1 mL serum in gold top tube

Patient Preparation
Overnight fasting is preferred

Minimum Volume
0.5 mL

Other Acceptable Specimens
Plain red top tube

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
Nights Sunday-friday

Report Available
Samples for this test will be run straight and on dilution to improve tat

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.