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Test Code 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