Bilirubin, Direct

Test Code

BILID

Alias/See Also

Bilirubin, Direct Bilirubin, conjugated bilirubin

CPT Codes
82248

Preferred Specimen

Light GREEN (PST)

Other Acceptable Specimens

Serum (RED) or GOLD (SST)

Specimen Stability

Protect specimens from light and assay as soon as possible. Exposure to direct sunlight can decrease bilirubin in samples by 50% within one hour. When well protected from light, bilirubin in serum is stable for up to 3 days at 2 - 8°C and for approximately three months when stored at <-20°C.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis

Methodology
Beckman AU
Dimension

Setup Schedule

24x7

Report Available

< 1 day

Reference Range

0.0-0.4 mg/dL

Clinical Significance

Bilirubin is measured to diagnose and/or monitor liver diseases such as cirrhosis, hepatitis, or gallstones. In newborns, bilirubin is measured to monitor jaundice and hemolytic disease of the newborn.

Performing Laboratory
CRMC Laboratory
CCMC Laboratory
CCI Laboratory
FHSH Laboratory

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.