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Test Code NBILIP Bilirubin, Neonatal

Important Note

This test should be used for infants <30 days old.

NOTE: It is important to maintain consistency in bilirubin methodology. Regardless of the patient's age, if BuBc is used to monitor a patient initially, then continue to monitor the patient using BuBc. Do not switch to TBIL regardless of the patient's age.

Contains Conjugated, Unconjugated, and Calculated Total Bilirubin.

Useful For

Assessing liver function, diseases affecting the production, uptake, storage, metabolism, or excretion of bilirubin, and the efficacy of neonatal phototherapy.

Specimen Information

Obtain specimen using standard phlebotomy techniques.

No special patient preparation is necessary.

 

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Gold Microtainer Serum Refrigerate 0.25 mL 0.25 mL 0.25 mL 7 Days

Protect the sample from light .

In order to ensure adequate sample volume for testing we ask that you submit 2 microtainers, if possible.

 

Reject Due To:

- Moderate or Marked Hemolysis

- Specimen unlabeled or mislabeled

Reference Range

Type Age Sex Reference Range (mg/dL)
Unconjugated 0 - 1 Month M / F 0.6 - 10.5
>1 Month M / F 0.0 - 1.1
Conjugated 0 - 1 Month M / F 0.0 - 0.6
>1 Month M / F 0.0 - 0.3

 

Critical Value(s): 

Conjugated: >15.0 mg/dL

Unconjugated: >15.0 mg/dL

Total (Conjugated + Unconjugated): >15.0 mg/dL

Test Schedule / Analytical Time / Test Priority

Daily / Same Day / Available STAT

Instrumentation / Method

Ortho Vitros XT 7600 / Colorimetric

CPT / LOINC / Order Code

 

Name Meditech Medent LOINC CPT
Conjugated Bili NBILIP NBILIP 15152-2  
Unconjugated Bili 1971-1  
Calculated Total Bilirubin 1975-2 82248

 

Calculation

NBILI (Total) = Bu + Bc