BILIRUBIN, DIRECT

Message

MUST protect from light

Please note: Samples do not need to be wrapped to protect from light. Storage in an amber transfer tube or dark refrigerator is acceptable.

Test Code

BILID

Alias/See Also

Direct bili

CPT Codes
82248

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.1 mL

Other Acceptable Specimens

or 1 Green tube (Lithium Heparin)

Instructions

Centrifuge for complete separation of serum or plasma and red cells. Separate and refrigerate until tested. Must protect from light.
Please note: Samples do not need to be wrapped to protect from light. Samples stored in a dark refrigerator or amber tube can be accepted.

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 3 days if protected from light
2-8°C up to 24 hours if not protected from light
Frozen up to 3 months

Methodology

Diazotization

Setup Schedule

M, T, W, Th, F, Sa, Sun

Report Available

Within 24 hours of receipt at the performing laboratory.

Reference Range

0.03 - 0.18 mg/dL

Clinical Significance

Bilirubin is a waste product of the breakdown of rbc's. Before reaching the liver, bilirubin is called indirect. In the liver, bilirubin combines with sugars to create direct bilirubin. High levels of direct or indirect bilirubin may indicate liver problems or hemolysis.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCHB1 (Chemistry, Beckman AU)

Last Updated: June 8, 2023

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.