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Test ID 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 plastic vial.

Useful For

Diagnosing and monitoring patients with lactic acidosis


Monitoring lactate-to-pyruvate ratios

Method Name

Gas Chromatography-Mass Spectrometry (GC-MS)

Reporting Name

Lactate Pyruvate Panel, P

Specimen Type


Specimen 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

Reference Values


≤ 4000.0 nmol/mL



≤ 350.0 nmol/mL

Day(s) Performed


Report Available

3 to 9 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information



LOINC Code Information

Test ID Test Order Name Order LOINC Value
LAPYP Lactate Pyruvate Panel, P 101656-7


Result ID Test Result Name Result LOINC Value
616797 Interpretation 59462-2
616794 Lactic acid 2524-7
616795 Pyruvic acid 32338-6
616796 Reviewed by 18771-6