Clinics and Departments

Laboratory Services

Lab Dept:

Other Fluids

Test Name:

LACTATE, CSF

General Information

Lab Order Codes:

LACU

Synonyms:

Lactic Acid, Cerebrospinal Fluid

CPT Codes:

83605 - Lactate

Test Includes:

CSF lactic acid in mmol/L

Logistics

Test Indications:

Useful for the diagnosis and treatment of lactic acidosis and to evaluate central nervous system disorders.

Lab Testing Sections:

Chemistry - Sendouts

Referred to:

Mayo Medical Laboratories

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1 – 3 days

Special Instructions:

N/A

Specimen

Specimen Type:

CSF

Container:

Screw capped, sterile vial

Draw Volume:

0.5 mL CSF

Processed Volume:

Same as Draw Volume

Collection:

Routine CSF collection. Immediately place tube for this testing on ice. Transport to the laboratory immediately.

Special Processing:

Lab Staff: Process specimen immediately. Remove aliquot. Store and ship frozen. Forward promptly. Note: Place order for this test directly in Mayo Access.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimens

Interpretive

Reference Range:

No reference ranges available

Critical Values:

N/A

Limitations:

N/A

Methodology:

Vitros slide method

References:

Mayo Medical Laboratories Web Page July 2012

Updates:

6/16/2004: Test moved from Fairview University Diagnostic Laboratories to Mayo Medical Laboratories. Note: Change in reference range previously ≥16 years: 1.1-2.2mmol/L. Change in reference range previously Colorimetric reflectance spectrophotometry (lactate oxidase).



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