Pyruvate/lactate ratio, CSF

Department

Specialist Biochemistry

Delphic Registration Code

CPYR

Laboratory Handling

Registration

to Specialist Biochemistry - Freezer

Separating

to Specialist Biochemistry - Freezer

Laboratory

keep frozen

Synonyms

Lactate/Pyruvate ratio CSF
Pyruvate CSF

Turnaround Time

1 week

Test Code

3484

Specimen Type

• CSF

Specimen Requirements

Tube/Container Type:

Preferred Sample Volume (ml)

1

Minimum Sample Volume (ml)

0.5

Pre-testing Requirements

Unstressed patient

Additional Specimen Information

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

$71.09 (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.

Contact Information

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