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HelpOrderable Name LAPYP Lactate Pyruvate Panel, Plasma
Ordering Guidance
This test does not measure D-lactate, an uncommon, often undiagnosed cause of lactic acidosis. If D-lactate testing is needed, order DLAU / D-Lactate, Urine (preferred) or DLAC / D-Lactate, Plasma.
Analytes from this test are included in test MMPP / Mitochondrial Metabolites, Plasma. If ordered together, this test may be canceled.
Specimen Required
Collection Container/Tube:
Preferred: Green top (Sodium heparin)
Acceptable: Green top (Lithium heparin)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot plasma into a plastic vial.
Forms
If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.
Useful For
Diagnosing and monitoring patients with lactic acidosis
Monitoring lactate-to-pyruvate ratios
Method Name
Gas Chromatography Mass Spectrometry (GC-MS)
Specimen Type
PlasmaSpecimen Minimum Volume
0.1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma | Frozen (preferred) | 90 days | |
| Ambient | 7 days | ||
| Refrigerated | 7 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
Lactic Acid
≤ 4000.0 nmol/mL
Pyruvic Acid
≤ 350.0 nmol/mL
Day(s) Performed
Wednesday
Report Available
3 to 9 daysCPT Code Information
83605
84210