Method Name
Spectrophotometry
Aliases
Methemoglobin; Met Hgb, Met - Hemoglobin
Specimen Required
Green top tube – venous and blood gas sample – arterial are also acceptable for testing
Specimen Minimum Volume
2.0 mL of blood
Specimen Stability Information
Coordinate with Respiratory Therapy.
Special Instructions
Do not expose specimen to the air. Specimen is drawn by the Laboratory and tested by Respiratory Therapy.Stability – 24 hours @ room temperature
Performing Laboratory
As ordered. Turn around time is 4 hours.
Reference Values
0.4 – 1.5 %