Bilirubin, Direct
Label Mnemonic: BILD
Epic Lab Code: LAB52
Downtime Form: A-1a General Laboratory Requisition
Chemistry
6240 RCP
356-3527
Specimen(s):
Plasma
Specimen Instructions:
Avoid hemolysis and unnecessary exposure to light.
Collection Medium:
Plasma Separator Tube 4.5 mL
Alternate Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
3 mL whole blood from light green top tube or ONE light green Microtainer® for pediatric patients
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
1 hour (upon receipt in laboratory)
Reference Range:
0.0 - 0.2 mg/dL
Test Limitations:
Hemolysis: No significant interference up to an H index of 1000 (approximate hemoglobin concentration: 1000 mg/dL). Lipemia levels greater than 1000 mg/dL (Intralipid) cause significant (greater than 10%) positive interference to elevated direct bilirubins.
Methodology:
Spectrophotometric
CPT Code:
82248
 
See also:
Bilirubin, Direct-Other, Body Fluid
 
See Additional Information:
Chemistry Pediatric Reference Ranges