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Test Code U Peam Q Phosphoethanolamine Qnt, Urine

Clinical System Name

Phosphoethanolamine Qnt, Urine

Description

Quantitation of phosphoethanolamine by ion exchange chromatography

 

Sample Requirements

Specimen: Urine

Container(s): Sterile Srew-Capped Container

Preferred Vol:  10.0 mL

Minimum Vol: 5.0 mL

 

 

Processing Instructions

Reject due to:

Spin:N

Aliquot:Y

Temp:-20 C

Storage location: -20 C BCG  Box

 

SCHRMC/Off-site collection: Mix urine well and freeze a maximum10 mL aliquote. Ship frozen.

Stability

Temperature Time
Room temp ≤ 2 hr
Refrigerated </=2 hrs
Frozen 1 month

 

Availability

STAT Performed TAT
N M-F 5 days

 

Contact the Biochemical Genetics Lab for requests outside of stated availability (206)987-2216.

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Biochemical Genetics

Phone Number: 206-987-2216

 

 

Methodology

Method: Ion exchange chromatography with post column derivatization

Analytical Volume: Not specified

Limitations:

CPT Codes

82131

Requisition

Biochemical Genetics Requisition

 

On the requisition include clinical information needed for appropriate interpretation.  (Age, gender, diet (e.g. TPN therapy), drug therapy and family history)

 

Clinical Utility

For diagnosis of hypophosphatasia

Reference Ranges

Newborn (mcmol/g creat) 2 mo - 1 yr (mcmol/g creat) 1 yr - 12 yr (mcmol/g creat) 12 yr - adult (mcmol/g creat)
83 - 222 83-222 83-222 40-155