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Formic acid, serum/plasma-994

Test info

Test name:

Formic acid, serum/plasma

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Formate

Useful for:

Exposure monitoring

Specimen

Specimen type:

Serum

Collection container:

Red serum vial/tube, 5 mL

Volume:

2.0 mL

Minimum volume:

0.7 mL

Processing instructions:

Allow sample to clot
Spin
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum, within two (2) hours of sample collection

Transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Alternate specimen type:

Plasma

Alternate collection container:

Dk green heparin (Li or Na), no gel

Grey-top (sodium fluoride) or (potassium oxalate)

Alternate collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times, to prevent clotting

Alternate processing instructions:

Spin
Transfer plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as the appropriate plasma type, within two (2) hours of sample collection

Transport and stability:

Refrigerated (preferred) - 7 days

Ambient - 30 days

Frozen - 15 months

Reason for rejection:

Gel-barrier tube

Performance

Performing lab:

National Medical Services (2134SP) via LabCorp (825767): R-NX

Days set up:

TAT:

7 days

Method:

Gas Chromatography/Mass Spectrometry (GC/MS)

Clinical and Interpretive info

Reference ranges:

Normal plasma formic acid range is 1 - 9 µg/mL (in pregnant women, 0.5 - 44 µg/mL)

Billing

CPT codes:

83921

LOINC code:

Result 2292-1

Tracking

Date created:

05/29/2019

Revised date:

01/08/2021

Review date:

08/18/2022