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Lab Manual for Moffitt-Long and Mount Zion

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Lactate, CSF

Item Value
Approval req'd? No
Available Stat? Yes
Test code LACS
Test group lactate
Performed by Parnassus Chemistry
In House Availability Test available 24 hours per day 7 days per week
Method Enzymatic
Collection Instructions Chill tube before collection. Deliver sample on ice IMMEDIATELY to laboratory (should be received within 30 min of collection).

Specimen label should contain the date the sample was collected and the legible name of the person who collected the sample.
Container type CSF tube or sterile collection tube on ice
Amount to Collect 1 mL CSF
Sample type CSF
Preferred volume 1 mL CSF
Min. Volume 0.6 mL CSF
UCSF Rejection Criteria Not delivered on ice or received > 60 min. after collection
Processing notes If specimen not received on ice, attach comment ""Specimen not received on ice, may cause falsely elevated lactate in some cases"

All specimens must be assumed to contain cells and processed immediately.

Provide immediately to Chemistry who will centrifuge and assay sample.

If specimen is collected at Mt. Zion, centrifuge immediately. Aliquot and freeze the sample (-20C) immediately and send to Moffitt/Long on next scheduled delivery run.
Units mmol/L
Normal range 1.1-2.8 mmol/L
Synonyms Lactic acid
Stability On ice 2 hours.
Turn around times 1 hour
LOINC code 2520-5
Last Updated 11/21/2013 12:53:53 PM
Entry Number 586
Lab Procedure Link Click here for Procedure
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