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Bilirubin, Fractionated

Test Code
7286


CPT Codes
82247, 82248

Includes
Direct Bilirubin, Indirect Bilirubin (calculated), Total Bilirubin


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


Minimum Volume
0.5 mL


Other Acceptable Specimens
Plasma collected in: sodium heparin (green-top) tube, or lithium heparin (green-top) tube


Instructions
Protect from light: Please place in an amber vial or wrap plastic vial in foil; avoid hemolysis.


Transport Temperature
Frozen


Specimen Stability
Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 90 days


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


Methodology
Spectrophotometry (SP)

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


Reference Range
Bilirubin, Direct ≤0.2 mg/dL
Bilirubin, Indirect    
≤1 Day ≤5.1 mg/dL (calc)
2 Days ≤7.2 mg/dL (calc)
3-5 Days ≤10.3 mg/dL (calc)
6-7 Days ≤8.4 mg/dL (calc)
8-9 Days ≤6.5 mg/dL (calc) 
10-11 Days ≤4.6 mg/dL (calc)
12-13 Days ≤2.7 mg/dL (calc)
14 Days - 9 Years 0.2-0.8 mg/dL (calc)
10-19 Years 0.2-1.1 mg/dL (calc)
≥20 Years 0.2-1.2 mg/dL (calc)
Bilirubin, Total    
≤1 Day ≤5.1 mg/dL
2 Days ≤7.2 mg/dL
3-5 Days ≤10.3 mg/dL
6-7 Days ≤8.4 mg/dL
8-9 Days ≤6.5 mg/dL
10-11 Days ≤4.6 mg/dL
12-13 Days ≤2.7 mg/dL
14 Days - 9 Years 0.2-0.8 mg/dL
10-19 Years 0.2-1.1 mg/dL
≥20 Years 0.2-1.2 mg/dL


Clinical Significance
Measurement of the 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.