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Test Code PIPA Pipecolic Acid, Serum

Reporting Name

Pipecolic Acid, S

Useful 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 serum

Testing Algorithm

For more information see Epilepsy: Unexplained Refractory and/or Familial Testing Algorithm

Method Name

Gas Chromatography Mass Spectrometry (GC-MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Necessary Information


Patient's age is required.



Specimen Required


Patient Preparation:

Fasting 12 hours, required; Infants and small children should have specimen collected before next feeding/meal

Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1.5 mL serum

Collection Instructions: Centrifuge and aliquot serum into plastic vial.


Specimen Minimum Volume

Serum: 1 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred) 94 days
  Refrigerated  14 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values

<6 months: ≤6.0 nmol/mL

6 months-<1 year: ≤5.9 nmol/mL

1-17 years: ≤4.3 nmol/mL

≥18 years: ≤7.4 nmol/mL

Day(s) Performed

Tuesday

CPT Code Information

82542

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PIPA Pipecolic Acid, S 32334-5

 

Result ID Test Result Name Result LOINC Value
81326 Pipecolic Acid, S 32334-5
29962 Interpretation 59462-2
29964 Reviewed By 18771-6

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.

Report Available

3 to 9 days