Test Overview
Test Methodology

Enzymatic

Test Usage

This test is used for the detection of hepatobiliary dysfunction and to aid in diagnosis of intrahepatic cholestatsis of pregnancy. This test should not be ordered for patients receiving bile acid therapy. Serum total bile acids testing is generally not suitable for differentiation among the various types of liver diseases.

Reference Range *

< or = 10 umol/L (Reference Range applies to fasting total bile acid concentration)

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday, Wednesday, and Friday
Analytic Time

4 hours

Soft Order Code
TBA Total Bile Acids
MiChart Code
TBA
Synonyms
    Laboratory
    Chemical Pathology
    Section
    Automation
    STAT Availability

    On days testing is not performed, call clinical core laboratory chemistry 936 6702, and request stat testing, testing can be performed with manager/director approval.

    Specimen Requirements
    Collection Instructions

    Collect blood in an SST tube from a fasting patient. Infants and pregnant patients do not need to fast. Centrifuge and refrigerate within 2 hours of collection.

    Special Handling

    Sample should be collected under fasting conditions (12 hour fast). Non-fasting will increase concentration of TBA. Infants and pregnant patients do not need to fast.

    Alternate Specimen
    Red top
    Fasting Specimen
    Samples should be collected under fasting conditions (12 hour fast). Infants and pregnant patients do not need to fast.
    Normal Volume
    0.5 mL
    Minimum Volume
    0.5 mL
    Storage Temperature
    Specimens are stable for 7 days when stored at 2-8*C, or for 3 months stored at -20*C.
    Ambient specimens are good for 24 hours.
    Rejection Criteria
    Grossly Hemolyzed, or icteric specimens
    Billing
    CPT Code
    82239
    Fee Code
    JA058
    LOINC
    14628-2
    NY State Approved
    No