Bilirubin, Total

Test Code
38442


CPT Codes
82247<br>Limited Access Code

Preferred Specimen
1 mL serum collected in a serum separator tube (SST) - protected from light


Minimum Volume
0.5 mL


Other Acceptable Specimens
Plasma collected in sodium or lithium heparin (green-top) tube, or plasma serum separator tube (PST) - protected from light


Instructions
Protect from light by wrapping a spun SST® in foil or transferring serum/plasma to an amber transport vial; Avoid hemolysis.


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: 90 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Anticoagulants other than heparin


Methodology
Spectrophotometry

Setup Schedule
Set up: Daily; Report available: Next day


Reference Range
Age (mg/dL)
1 day ≤5.1
2 days ≤7.2
3-5 days ≤10.3
6-7 days ≤8.4
8-9 days ≤6.5
10-11 days ≤4.6
12-13 days ≤2.7
14 days-9 years 0.2-0.8
10 years 0.2-1.1
≥20 years 0.2-1.2


Clinical Significance
Measurement of levels of bilirubin is used in the diagnosis and treatment of liver, hemolytic, hematologic, and metabolic disorders, including hepatitis and gall bladder obstructive disease.




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.