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HelpTest Code LAB4162 PHOSPHORUS
Specimen Type
Preferred Specimen: Lithium Heparin Plasma (Mint Green Top)
Alternative Specimen: Serum Tube (SST, Gold, Corvac, Tiger, Red Top Tube)
Specimen Volume
1.0 mL
Minimum Volume
0.5 mL
Turnaround Time
STAT: 1 hour
Routine: 4 hours
Test Schedule
Daily and STAT
Sample Stability
Room Temp: 1 day
Refrigerated: 3 days
Frozen: 30 days
Method
Colorimetric
Reference Ranges
| Phos, mg/dL | ||
| Male | Female | |
| 0-15 Days | 5.6 - 10.5 | |
| 15 Days - 1 Year | 4.8 - 8.4 | |
| 1-5 Years | 4.3 - 6.8 | |
| 5-13 Years | 4.1 - 5.9 | |
| 13-16 Years | 3.5 - 6.2 | 3.2 - 5.5 |
| 16-19 Years | 2.9 - 5.0 | |
| >19 Years | 2.5 - 4.5 | |
Synonyms
Phos, Inorganic Phosphorus, PO4
Test Components
Phosphorus, mg/dL
CPT Codes
84100
Notes
Prolonged contact with the cell clot may result in elevated values