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Phosphorus

SIM

12050 

CPT

84100 

Synonyms

PO4 

Specimen Type

Plasma or serum 

Container

3.5 mL Green - Lithium heparin plasma separator 
4.0 mL Gold-top serum separator 

Collection Instructions

None

Volume

2 mL plasma or serum 
Min: 0.5 mL 

Additional Information

None

Patient Preparation

None

Specimen Processing Instructions

Plasma:  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Serum:  Allow to clot.  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Centrifuge within 2 hours of collection.

Transport Requirements

Refrigerated

Specimen Stability

Room temperature:  8 hours   Refrigerated: 5 days 

Rejection Criteria

If not centrifuged within 2 hours of collection.

Reference Range

2.3 – 4.3 mg/dL

Critical Value

< 1.0 mg/dL 

Test Includes

Phosphorus 

Methodology

Timed Rate method 

Testing Frequency

Daily, Monday - Sunday 

 

Reviewed By

Sandy Hammett 

Reviewed Date

2/2/2018

Supplemental

 

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