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

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Modified FDA

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