Order Name MET METHEMOGLOBIN
Method
Co-Oximetry
CPT(s)
| Description | CPT Code |
| Methemoglobin | 83050 |
Specimen Information
|
Container |
Specimen |
Temperature |
Collect Vol |
Submit Vol |
Minimum Vol |
Stability |
| Lithium Heparin (Green) Tube | Whole Blood |
Refrigerate |
3 mL | 3 mL | 0.8 mL | 4 hours |
| Heparinized Syringe | Whole Blood | Refrigerate | 1 mL | 1 mL | 0.2 mL | 4 hours |
Green microtainers are not ideal for this assay and should be used when a vacutainer cannot be obtained.
Sodium heparin and lithium heparin are both acceptable. Plasma separator tubes are acceptable.
For samples collected in a syringe remove the needle from syringe and cap sample immediately.
Reference Range
All ages: <1.5%
Instrumentation
Siemens Rapid Point 500
LOINC Code Information
| Result Code | Reporting Name | LOINC Code |
| MET | Methemoglobin | 2614-6 |
Performing Location
University of Vermont Medical Center
Test Schedule / Analytical Time / Test Priority
Daily / immediately / Available STAT
Section
Chemistry-1
Is the UVMMC lab NY State Certified to perform this testing? Yes/No
Yes