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Test Directory

Test Directory Bile Acids, Fractionated and Total, Pregnancy

Bile Acids, Fractionated and Total, Pregnancy

Test Summary

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

Aliases

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Instructions

Collect blood in a red-top (no gel), or a serum separator tube (SST®). After clot formation centrifuge sample and pour off serum into a transport tube. Store sample refrigerated or frozen.

Patient Preparation

Overnight fasting is preferred

Storage

Transport tube

Transport Temperature

Room temperature

Specimen Stability

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

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

N/A

Order Code

BILEPG

EPIC (Premier) Code

LAB5859

Includes

Cholic Acid
Deoxycholic Acid
Chenodeoxycholic Acid
Total Bile Acids

CPT Code

82542

Billing Code

670589

CPT Statement

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 the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Physician Attestation of Informed Consent

N/A

Testing Laboratory

N/A

Department

Reference Testing

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

Setup Schedule / Expected Turnaround Time

Sunday - Friday; Report available: 4 - 6 days