Test Code PHOS Phosphorus, Inorganic
Performing Laboratory
ChristianaCare:
- Newark Campus
- Middletown Campus
- Helen Graham Cancer Center
- Wilmington Campus
Methodology
Photometric
Reference Values
2.5-4.5 mg/dL
Critical value (automatic call-back): <1.0 mg/dL
Specimen Requirements
Container/Tube: Preferred: 4.5 mL Lithium Heparin (Mint Green top PST Gel) tube
Acceptable: 5.0 mL SST (Gold top) tube or 6.0 mL Serum (Red top) tube
Specimen: Full tube
Collection Instructions: For pediatrics, draw blood in a 0.5-mL green-top MICROTAINER®.
Note: Label tube with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of draw, collector’s initials, and type of specimen.
Day(s) Test Set Up
Monday through Sunday
Routine Turnaround Time: 8 hours
STAT Turnaround Time: 1 hour