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HelpOrder 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 and will only be accepted from NICU, NUR, B5 and PICU patients
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