Blood Gas, Mixed Venous

Alternative Names/Synonyms	N/A
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Blood
Test Code	See Blood Gas Information Sheet

Clinical Significance (If applicable)

Evaluating oxygenation status.

Specimen Requirements (Sample Type)

Whole Blood

Specimen Requirements (Volume (mL))

65 µL

Specimen Requirements (Tube Type)

Heparinized Syringe

Collection Requirements

Must be received by laboratory within 30 minutes of collection.
Collection Instructions

Sample Stability

Room Temperature: 30 min

Cause for Rejection

Samples will be rejected for the following reasons:
- Clotted sample
- Excessive air bubbles
- Exceeds maximum elapsed time since collection
Specimen Acceptability and Transport Guidance

Instrument, Methodology

Radiometer ABL90

Test Availability

24 hours a day, 7 days a week

STAT Turnaround Time

30 minutes

Reference Ranges

See Blood Gas Information Sheet

In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.

Laboratory Contact Information

416-586-4800 extension 4688