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HelpOrder Code LAB1120 Methemoglobin, Whole Blood
Useful For
Diagnosis and assess methemoglobinemia, a condition where there are elevated levels of methemoglobin in the blood. Methemoglobin is a form of hemoglobin that cannot effectively carry oxygen, leading to reduced oxygen delivery to the body’s tissues.
Specimen Requirements
Draw a full, dark green-top (lithium heparin) tube.
Allow tube to fill completely.
Do not uncap tube once specimen has been drawn.
Tube should be transported directly to laboratory after collection.
Specimen Type: Whole Blood
Collection Container/Tube: Dark green-top (lithium heparin) tube
Acceptable Container: Lithium Heparin Syringe
Preferred Specimen Volume: Allow tube to fill completely
Minimum Specimen Volume: 0.25 mL Whole Blood
Label tube according to Ridgeview's specimen labeling policy.
Specimen Stability
| Specimen Type | Temperature | Stability |
| Whole Blood | Ambient | 30 minutes |
| Refrigerated | N/A | |
| Frozen | N/A |
Day(s) Test Set Up
Monday through Sunday
Performing Laboratory
Ridgeview Medical Center Laboratory
Reference Range
0.0-1.5%
Methodology
Co-Oximetry
CPT Coding
83050