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HelpOrderable Name PETNU Phosphoethanolamine, Quantitative, Random, Urine
Necessary Information
1. Patient's age is required.
2. Include family history, clinical condition (asymptomatic or acute episode), diet, and drug therapy information.
Specimen Required
Supplies: Urine Tubes, 10 mL (T068)
Container/Tube: Clean plastic urine tube
Specimen Volume: 2 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Useful For
To aid in the diagnosis of hypophosphatasia, especially in the setting of low alkaline phosphatase, bone fractures, and early tooth loss
Monitoring of affected individuals on therapy
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
This test is covered by patents held by Quest Diagnostics
Specimen Type
UrineSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Frozen (preferred) | 70 days |
| Refrigerated | 14 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
≤12 months: 15-341 nmol/mg creatinine
13-35 months: 33-342 nmol/mg creatinine
3-6 years: 19-164 nmol/mg creatinine
7-8 years: 12-118 nmol/mg creatinine
9-17 years: <88 nmol/mg creatinine
≥18 years: <48 nmol/mg creatinine
An interpretative report will be provided.
Day(s) Performed
Tuesday
Report Available
3 to 9 daysCPT Code Information
82131