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HelpTest Code TBP Bilirubin, neonate
Laboratory Code
LAB3040971
Specimen Requirements
Submit only one of the following:
Preferred
Specimen Type: Plasma
Container/Tube: 1 Microvette container
Volume: 200.0 uL blood
Minimum Volume: 100.0 uL plasma
Collection Instructions: Protect sample from light and send to laboratory immediately.
Acceptable
Specimen Type: Plasma
Container/Tube: Green Top microtainer (Li Heparin)
Volume: 500.0 uL
Minimum Volume: 100.0 uL plasma
Collection Instructions: Protect sample from light and send to laboratory immediately.
Specimen Stability
| Specimen Type | Plasma |
|---|---|
| Ambient | 2 hours |
| Refrigerate | Reject |
| Frozen | Reject |
Methodology
Spectrophotometry
Days and Times Performed
24 hrs, TAT 1 day
Specimen Condition
| Haemolysis | Not available |
|---|---|
| Icterus | Not available |
| Lipaemia | Not available |
| Others | Not available |
Reference Interval
Full Term Baby
| 0 – < 1 day | 31 – 103 umol/L |
|---|---|
| 1 – < 2 days | 103 – 120 umol/L |
| 2 – 4 days | 68 – 103 umol/L |
| 5 – 14 days | 5 – 30 umol/L |
Premature Baby
| 0 – < 1 day | 17 – 103 umol/L |
|---|---|
| 1 – 2 days | 103 – 137 umol/L |
| 3 – 5 days | 171 – 205 umol/L |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Diagnosis of neonatal jaundice.
Monitoring the efficacy of neonatal phototherapy.
Service Code
31304
LOINC Code Information
14631-6
Alias
Neonatal Bilirubin
Update
Last updated 10/03/2025