Bilirubin Total and Direct, Cord Blood - Bronson Laboratory Services

Profile Information

Test ID	Reporting Name	Available Separately?	Always Performed?
TBIL	Bilirubin, Total	Y	Y
DBILI	Bilirubin, Direct	Y	Y
IBIL*	Bilirubin, Indirect	N	Y

*Indirect Bilirubin is a calculated result

Container Type:	Optimal: Red top
Container Type:	Acceptable: SST, Mint or Green Top
Optimal Collection Volume:	4.5mL; full tube
Minimum Volume:	Neonates: 1 microtainer (400-600 uL)
Collection Instructions:	Gently invert the sample 5-6 times after collection. Note: The specimen should be protected from light
Specimen Transport:	Refrigerate
Processing Instructions:	1. If serum, allow the specimen to clot for 30 minutes. 2. Centrifuge specimen within 2 hours of collection. 3. After centrifugation, specimen tubes without a gel barrier should have the serum or plasma aliquoted to a false bottom container. 4. Keep the serum or plasma refrigerated until testing can be performed.

Hemolysis	Mild OK; Moderate OK; Gross Reject
Lipemia	Mild OK; Moderate OK; Gross Reject
Icterus	N/A
Other	Quantity not sufficient

This assay is useful in the evaluation along side a postive DAT on a cord blood sample.

Roche Cobas - Spectrophotometric

Please note, ranges below are for normal serum/plasma. These are not for cord blood specimens.

Bilirubin, Total

Age	Reference Range and Reporting Units
Adults and children (> 3 months)	< 1.2 mg/dL
0 to 1 day	2.0-6.0 mg/dL
1 to 3 days	6.0-10.0 mg/dL
3 days to 1 month	4.0-8.0 mg/dL
1 month up to 3 months	0.0-1.2 mg/dL

Bilirubin, Direct

0.0 - 0.3 mg/dL

See individual tests (TBIL or LAB50) or (DBILI LAB52) for interpretive information.

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Same day

Bronson Laboratory, Chemistry - Battle Creek