Pyruvic acid, cerebrospinal fluid (CSF)

Alphabetical Test listing

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Useful for:

Investigating possible disorders of mitochondrial metabolism, particularly when used in conjunction with CSF lactate

Specimen type:

Cerebrospinal fluid (CSF)

Collection container:

Sterile vial/container

Volume:

2.0 mL

Minimum volume:

1.0 mL

Processing instructions:

As quickly as possible after collection of CSF, add 1 mL CSF to chilled collection tube containing 2 mL 8% (W/V) perchloric acid. Perchloric acid tube
Mix well for 30 seconds and place in an ice bath for 10 minutes
Centrifuge for 10 minutes at 1500g
Decant supernatant into a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)
Freeze

Transport container:

Transport and stability:

Frozen (preferred) - 1 month

Refrigerated - 2 days

Ambient - NO

Performing lab:

ARUP Laboratories Inc (80312) via LabCorp (216834): R-NX

Days set up:

Daily

TAT:

3 - 8 days

Method:

Quantitative Enzymatic Assay

Reference ranges:

0.060 - 0.190 mmol/L

CPT codes:

84210

LOINC code:

Result 14122-6

Date created:

05/23/2019

Revised date:

03/20/2025

Review date:

03/20/2025