Test Code PIPU Pipecolic Acid, Random, Urine
Reporting Name
Pipecolic Acid, UUseful For
Differentiating between disorders of peroxisomal biogenesis (eg, Zellweger syndrome) and disorders with loss of a single peroxisomal function
Detecting abnormal elevations of pipecolic acid in urine
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen Type
UrineNecessary Information
Patient's age is required.
Specimen Required
Supplies: Urine tubes, 10 mL (T068)
Container/Tube: Plastic, 10-mL urine tube
Specimen Volume: 5 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Specimen Minimum Volume
2 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Frozen (preferred) | 94 days | |
Refrigerated | 14 days |
Special Instructions
Reference Values
≤31 days: ≤223.8 nmol/mg creatinine
32 days-5 months: ≤123.1 nmol/mg creatinine
6 months-11 months: ≤45.0 nmol/mg creatinine
≥1 year: ≤5.7 nmol/mg creatinine
Day(s) Performed
Tuesday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
82542
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
PIPU | Pipecolic Acid, U | 33659-4 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
81248 | Pipecolic Acid, U | 33659-4 |
29952 | Interpretation | 59462-2 |
29954 | Reviewed By | 18771-6 |
Report Available
3 to 9 daysMethod Name
Gas Chromatography Mass Spectrometry (GC-MS)
Testing Algorithm
For more information see Epilepsy: Unexplained Refractory and/or Familial Testing Algorithm.
Forms
If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.