Ordering Recommendation
Mnemonic
LA-FL
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

Peritoneal or synovial fluid.

Specimen Preparation

Centrifuge and separate to remove cellular material. Transport 1 mL Peritoneal or synovial fluid in an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature

Frozen.

Unacceptable Conditions

Specimens other than those listed.

Remarks

Indicate source on test request form. Cannot be shared. If multiple tests are ordered separate specimens are required.

Stability

Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: 1 month

Reference Interval

None established

Interpretive Data

Reference ranges for this assay have not been established for body fluid. Results should be interpreted in comparison to the lactic acid concentration in blood and in conjunction with clinical context.

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
0020504 Lactic Acid, Body Fluid 14165-5
0097114 SR Source 31208-2
* 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
  • Lactate
  • Lactic Acid, BF
Lactic Acid, Body Fluid