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Test Code UBILE UM Urine Bile Acid Profile

Clinical System Name

Urine Bile Acid Profile

Synonyms

Bile acids

Description

This test is used to screen for inborn errors in bile acid synthesis and metabolism. Results may be difficult to interpret if ursodeoxycholic acid (UDCA) has been administered. Specimens should be collected prior to administration of UDCA, or after 5 days off UDCA.

Sample Requirements

Specimen: Urine

Container(s): Sterile Screw-Capped Container

Preferred Vol: 5-25 mL

Minimum Vol: 1 mL

 

Specimen: Whole Blood

Container(s): Gold Top/Red Top

Preferred Vol: 3 mL

Minimum Vol: 1 mL

 

Notes: Paired samples preferred. If only urine is available, we will still send it out.

Processing Instructions

Reject due to: Do not collect in or on diapers or cotton balls.

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location: Transfer urine to a plastic Nalgene bottle affixed with a large computer label. Use no preservatives.Spin blood, place serum in a plastic tube affixed with a large computer label. Immediately freeze both samples in the CPA freezer send-outs rack. Store remaining labels and copy of requisition in the clear plastic box on the front of the CPA freezer.

 

Off-site collection: No off-site collection.

Stability

Specimen Type Temperature Time
Urine and serum Room Temp 2 h
Urine and serum Frozen > 10 y

 

Availability

STAT TAT
N 1 m

 

Performing Laboratory

Cincinnati Children’s Hospital

Department

Department:  Cincinnati Children’s Hospital 

Clinical Mass Spectrometry Center

Cincinnati, OH 45229-3039

 

Phone Number: (513) 636-4203

Reference Range

Interpretive report is provided.

Methodology

Method: FAB + MS + LSIMS

Analytical Volume:

Limitations: Results may be difficult to interpret if ursodeoxycholic acid (UDCA) has been administered. Specimens should be collected prior to administration of UDCA, or after 5 days off UDCA.

Send Out Instructions

Reference Test Name:

Bile Acids, Serum

Bile Acids, Urine

Reference Test Number:

Serum- 1750020

Urine- 9001004

Instructions: Send out on dry ice Mon - Thur via FedEx overnight delivery. Keep a copy of the requisition for our records.