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HelpTest Code LAB1962 Phosphoethanolamine Qnt, Urine
Clinical System Name
Phosphoethanolamine Qnt, Urine
Synonyms
U Peam Q
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
CPT Codes
82131
Methodology
Method: Ion exchange chromatography with post column derivatization
Analytical Volume: Not specified
Limitations:
Description
Quantitation of phosphoethanolamine by ion exchange chromatography
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)
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 |
Clinical Utility
For diagnosis of hypophosphatasia in the setting of low alkaline phosphatase, bone fractures, and early tooth loss.