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PHOSPHORUS

Test Code
PHOS


Alias/See Also
PHOSPHATE OR PHOSPHORUS, INORGANIC


CPT Codes
84100

Preferred Specimen
1.0 mL plasma collected in a PST (LiHeparin tube)


Minimum Volume
1.0 mL


Other Acceptable Specimens
Plasma-EDTA(Lavender)
Serum- SST, Red Top or Tiger Top
 


Specimen Stability
Room Temperature: Plasma \Serum 24 hours at 15-25°C
Refrigerated: Plasma \Serum 4 days at 2-8°C
Frozen: Plasma/Serum 1 year at -15 to 25°C 


Reference Range
Plasma /Serum
4.0 – 7.0 mg/dL            0 days old to 2 years old    
 
2.7 - 4.5 mg/dL             2 years old to adult    
 


Performing Laboratory
FREDERICK HEALTH LABORATORY


Last Updated: October 31, 2024


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.