Blood Gas, Fetal Blood

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

Clinical Significance (If applicable)

Evaluating respiratory diseases and oxygenation status.

Evaluating metabolic status.

Specimen Requirements (Sample Type)

Whole Blood

Specimen Requirements (Volume (mL))

65 µL

Specimen Requirements (Tube Type)

Heparinized Syringe Collection Containers Tube Type

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

References ranges are not available for Fetal Blood Gas panel as results should be interpreted in conjunction with clinical context. The panel includes:

- Gases (pH, CO2 Partial Pressure, O2 Partial Pressure, O2 Saturation)
- Hydronium Ion
- Bicarbonate
- Base Excess
- Anion Gap
- Total Hemoglobin
- Hematocrit
- CO-Oximetry (Oxyhemoglobin, Carboxyhemoglobin, Methemoglobin)
- Extended Electrolytes (Sodium, Potassium, Chloride, Ionized Calcium)
- Glucose
- Lactate

Laboratory Contact Information

416-586-4800 extension 4688