| Lactic Acid, CSF (087-0653) | |
|---|---|
| Test Mnemonic: | LA CSF |
| Specimen Requirements: | |
| Test Included: | CSF Lactic Acid |
| Collection: | Lumbar puncture |
| Container: | 7 mL of fluid in Plastic tube with tight-fitting lid. |
| Minimum Volume: | 1 mL of CSF |
| Storage/Transport: | Delivered to Sample Management immediately of collection. |
| Specimen Preparation: | Room temperature if analyzed within 15 minutes of collection; if longer, put specimen on ice for up to 30 minutes after collection. Centrifuge the specimen prior to analysis to remove possible cellular and bacterial contaminants. |
| Stability: | Room temperature for 15 minutes; on ice for 30 minutes |
| Causes for Rejection: | Specimen not delivered to the lab within allotted time. Specimen too viscous for sampling, incomplete and/or incorrect sample identification, improper storage/transport. |
| Reference Range: | By report (reports may vary based on instrumentation, patient age and sex) |
| Turnaround Time: | STAT: 1 hour |
| Methodology: | Amperometric |
| Performed: | 24 hours a day/ 7 days a week |
| Lab: | Clinical Chemistry |
| CPT 4 Code: | 83605 |
| When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent. | |