Bilirubin, Total and Direct, Neonatal

Bilirubin, Total and Direct, Neonatal

Test Code

6631
82247, 82248
6631
82247, 82248
Not offered in Quest Nichols Institute - Chantilly, VA | Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano | Quest Nichols Institute -San Juan Capistrano, CA. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Bilirubin, Total and Direct, Neonatal - Elevated in jaundice of the newborn, obstructive jaundice.

Test Resources

Test Guide

Chemistry Analytes: Clinical Utility and Test Interpretation

Test Details

Includes

  • Bilirubin, Total
  • Bilirubin, Direct
  • Bilirubin, Indirect

Methodology

Spectrophotometry (SP)

Reference Range(s)

Bilirubin, Direct ≤0.3 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

LOINC® Codes, Performing Laboratory

Service Area must be determined
Bilirubin, Total
Bilirubin, Direct
Bilirubin, Indirect

Methodology

Spectrophotometry (SP)

Reference Range(s)

Bilirubin, Direct ≤0.3 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
Service Area must be determined

Preferred Specimen(s)

0.3 mL serum

Alternative Specimen(s)

Plasma collected in: Lithium heparin (green-top) tube or sodium heparin (green-top) tube • Serum transferred to an amber or non-light protected transport vial

Minimum Volume

0.2 mL

Collection Instructions

Patient should be less than 60 days of age.
Draw 2 amber Microtainer® serum separator tubes (SSTs) or wrap 2 spun Microtainer® serum separator tubes (SSTs) in foil. Avoid hemolysis.

Transport Container

2 spun amber Microtainer® serum separator tubes (SSTs) or transport vial

Transport Temperature

Room temperature

Specimen Stability

  • If protected from light
  • Room temperature: 24 hours
  • Refrigerated: 72 hours
  • Frozen: 90 days

Reject Criteria

Hemolysis • Anticoagulants other than heparin

Setup Schedule

Service Area must be determined
0.3 mL serum
Plasma collected in: Lithium heparin (green-top) tube or sodium heparin (green-top) tube • Serum transferred to an amber or non-light protected transport vial
0.2 mL
Patient should be less than 60 days of age.
Draw 2 amber Microtainer® serum separator tubes (SSTs) or wrap 2 spun Microtainer® serum separator tubes (SSTs) in foil. Avoid hemolysis.
2 spun amber Microtainer® serum separator tubes (SSTs) or transport vial
Room temperature
If protected from light
Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 90 days
Hemolysis • Anticoagulants other than heparin
Service Area must be determined
Not offered in Quest Nichols Institute - Chantilly, VA | Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano | Quest Nichols Institute -San Juan Capistrano, CA. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.
Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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