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Oxalate, plasma-994

Test info

Test name:

Oxalate, plasma

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Useful for:

Assess the body pool size of oxalate

Specimen

Specimen type:

EDTA plasma

Collection container:

Lavender (EDTA), 4mL

Volume:

2.0 mL

Minimum volume:

1.5 mL

Collection instructions:

Immediatley following collection, mix sample by inverting 8 - 10 times to prevent clotting.
Place tube on wet ice immediately after collection

Processing instructions:

Spin
Separate plasma from cells within 1 hour of collection
Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp) labelled as EDTA plasma
Freeze within 45 minutes of specimen collection

Transport container:

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)

Alternate specimen type:

Heparin plasma

Alternate collection container:

Dk green heparin (Li or Na), no gel

Alternate collection instructions:

Immediately following collection, mix sample by inverting 5 - 10 times to prevent clotting.

Alternate processing instructions:

Spin
Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp) labelled as the appropriate plasma type
Freeze within 45 minutes of specimen collection

Transport and stability:

Frozen (strict) - 1 week

Ambient - NO

Refrigerated - NO

Reason for rejection:

Samples that are not plasma
Samples not received frozen

Performance

Performing lab:

ARUP Laboratories Inc (2011697) via LabCorp (821862): R-NX

Days set up:

Mo, Fr

TAT:

9 days

Method:

Quantitative Spectrophotometry

Clinical and Interpretive info

Reference ranges:

≤ 2.0 µmol/L

Billing

CPT codes:

83945

LOINC code:

Result 15085-4

Tracking

Date created:

05/24/2019

Revised date:

12/30/2019

Review date:

08/22/2022