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Lactic Acid, CSF
0020516
Ordering Recommendation
Mnemonic
LA-CF
Methodology
Enzymatic
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
CSF. Collect on ice. 
Specimen Preparation
Separate and ship supernatant. Centrifuge and separate to remove cellular material. Transport 0.5 mL CSF. (Min: 0.2 mL) 
Storage/Transport Temperature
Frozen. 
Unacceptable Conditions
 
Remarks
Specimen cannot be shared. If multiple tests are ordered, separate specimens are required. 
Stability
After separation from cellular material: Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: 1 month 
Reference Interval
AGE
Reference Interval
Birth to 15 years0.5-2.8 mmol/L
16 years and older1.2-2.6 mmol/L

Interpretive Data


Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Note
Hotline History
View Hotline History
Components
Component Test Code*Component Chart NameLOINC
0020516Lactic Acid CSF2520-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • CSF lactic acid
  • Lactate