ARUP's Laboratory Test Directory

Phosphorus, Inorganic, Plasma or Serum : 0020028

Mnemonic: PHOS

Methodology: Quantitative Spectrophotometry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Plasma separator tube or serum separator tube. Also acceptable: Green (sodium or lithium heparin), lavender (EDTA), or pink (K2EDTA).

Specimen Preparation: Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Hemolyzed specimens. Specimens collected in sodium fluoride/potassium oxalate, citrate.

Stability (collection to initiation of testing): After separation from cells: Ambient: 24 hours; Refrigerated: 4 days; Frozen: 1 year

Reference Interval:
By report (Reports may vary based on instrumentation)
 

CPT Code(s): 84100
Cross References: Phosphate (Phosphorus, Inorganic, Plasma or Serum)