Pyruvate/Lactate Ratio, CSF

Department

Specialist Biochemistry

Delphic Registration Code

CPYR

Laboratory Handling

Registration

To Specialist Biochemistry - Freezer.

Separating

To Specialist Biochemistry - Freezer.

Laboratory

Gross haemolysis reject

Test Adds

Frozen 14 days

Synonyms

Lactate/Pyruvate ratio CSF
Pyruvate CSF

Turnaround Time

7 days

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 1 mL
Deliver to lab as soon as possible on ice or frozen.

Collection Instructions for Pyruvate/Lactate Ratio

Aliquot Instructions

Transport to Lab

Frozen

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

$78.76 (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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