7AlphaC4 (7 alpha-hydroxy-4-cholesten-3-one)

Alphabetical Test listing

7AlphaC4 (7 alpha-hydroxy-4-cholesten-3-one)-994

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

7AC4
7C4
Bile Acid Diarrhea (BAD) marker
Bile Acid Malabsorption (BAM) marker
Bile Acid precursor or intermediate
Bile Acid Synthesis surrogate

Useful for:

Serum 7AlphaC4 is a surrogate measure of stool bile acids (BA) and elevated levels may be diagnostic for bile acid malabsorption (BAM), also known as bile acid diarrhea (BAD)

Limitations:

Please note that this 7AlphaC4 test is for Bile Acid Malabsorption/Diarrhea. For cholestasis of pregnancy, Bile Acids, Fractionated and Total, LC/MS-MS [503640] is a different test.

Patient preparation information:

Sample collection in the morning after overnight fast is recommended.

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Red serum vial/tube - 5 mL

Volume:

0.5 mL

Minimum volume:

0.4 mL

Collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 5 times

Processing instructions:

Allow sample to clot
Spin within two (2) hours of sample collection
Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum
Freeze

Transport container:

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)