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.
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 years 0.5-2.8 mmol/L
16 years and older 1.2-2.6 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
N/A
CPT Codes

83605

Components
Component Test Code* Component Chart Name LOINC
0020516 Lactic Acid CSF 2520-5
* 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
Lactic Acid, CSF