Home
HelpTest Code PHB1 Plasma, Haemoglobin
Laboratory Code
LAB3040291
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin)
Volume: 4.5 mL
Minimum Volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hrs.
Specimen Stability
| Specimen Type | Plasma |
|---|---|
| Ambient | 2 hours |
| Refrigerate | 1 week |
| Frozen | Reject |
Methodology
Photometry
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
0.03 – 0.05 g/dL
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Investigation of hemolytic anaemia: to detect moderate to severe intravascular hemolysis.
Service Code
31510
LOINC Code Information
721-1
Update
Last updated 12/03/2025