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Specimen Collection Manual and Test Catalog

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BILIRUBIN, DIRECT

Geisinger Epic Procedure Code:  LAB1847    Geisinger Epic ID:  18826

SPECIMEN COLLECTION
Specimen type: 

Plasma or Serum


Preferred collection container: 
Specimen required: 

2 mL of serum or plasma; minimum 0.2 mL.


Special notes: 

Specimen should be protected from light.



SPECIMEN PROCESSING
Processing instructions: 

Allow serum to clot. Centrifuge to separate serum or plasma within 2 hours of collection.


Transport temperature: 

Refrigerated.


Specimen stability: 

Room temperature: 2 days. Refrigerated: 7 days. Frozen: 6 months.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
Reference interval: 

<31 days: 0 - 0.6 mg/dL 
>=31 days: 0 - 0.3 mg/dL


CPT code(s):  82248
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Direct bilirubin.


Methodology: 
Spectrophotometric (Colorimetric)
Synonyms: 

DBIL, Bilirubin, Conjugated


Clinical significance: 

Used in the diagnosis and treatment of liver, hemolytic, hematologic, and metabolic disorders, including hepatitis and gallbladder obstruction.


Doctoral Director(s): 
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Review Date:  12/27/2024

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