Feedback
Phosphorus, Inorganic, Plasma or Serum
0020028
Ordering Recommendation
Mnemonic
PHOS
Methodology
Quantitative Spectrophotometry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
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. 
Remarks
 
Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 4 days; Frozen: 1 year 
Reference Interval
By report (Reports may vary based on instrumentation)

Interpretive Data


Note
CPT Code(s)
84100
Components
Component Test Code*Component Chart NameLOINC
0020028Phosphorus, Inorganic, Serum or Plasma2777-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • HPO4-2, PO4-3
  • Inorganic phosphate
  • Phosphate
  • phosphorus blood concentration
  • Phosphorus blood level
  • Phosphorus blood test
  • Phosphorus,serum
  • PO4
  • PO4 concentration
  • PO4 level
  • Serum phosphorus