A clean tap CSF (no blood). Prefer 0.5 mL
Deliver to lab as soon as possible on ice.
Collection Instructions for Pyruvate/Lactate Ratio
Aliquot Instructions
Transport to Lab
Frozen
If overnight - Frozen
Additional Referral/Aliquot Information
Centrifuge CSF, freeze 500 uL clear supernatant as soon as possible
Reference Intervals
Pyruvate 30 – 165 umol/L
Lactate 1.1 – 2.3 mmol/L
L/P ratio 12 – 19
Test Method
Enzymatic
Non-Funded Test Cost
$75.36 (Exclusive of GST)
Billing Code
3484
Unacceptable samples: blood contaminated samples and samples not frozen within 2 hours of collection. Lactate levels are analysed in Core Biochemistry if pyruvate not required.