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Epic Code LAB91 Methemoglobin, Blood Level

Important Note

Do not spin, separate or expose to air. Keep tube capped.

Testing must be performed within 4 hours of collection.

To be collected at Hospital Sites only. In Grand Rapids, outpatients may only be collected at the 35 Michigan draw site. 

Test Name Alias

Methemoglobin Level | 8192 | CRITCARE METHGB | CRITCARE METHEMOGLOBIN [LAB1230305] 

Interface Order Alias

10432

Collection Instructions

Specimen collection: Whole blood

Container(s): Green top (Lithium Heparin) non-gel or unspun mint green top (lithium heparin gel) or a heparinized blood gas syringe or a heparinized capillary tube.

Volume: 4 mL

Minimum volume: 1 mL whole blood

Collection Instructions:

  • Do not spin, separate or expose to air.
  • Keep tube capped.
  • Arterial, venous, and capillary blood specimens are acceptable.
  • Capillary specimens should be limited to pediatric patients and can not be couriered.
  • Call Respiratory Satellite Lab and tube to Respiratory
    • Blodgett (BIRL) – 616-382-2122 - Tube Station 411
    • Helen DeVos Children's Hospital (HDVCH) 8 CH – 616-352-6027 - Tube Station 912
    • Butterworth (BW) 5 MHC – 616-352-5756 - Tube Station 881
    • Grand Rapids: Hand Deliver ALL Capillary specimens to HDVCH - 8th floor Respiratory Satellite Lab, Room 89203. Please call first 616-352-6027

 

Specimen Stability

Ambient: 4 hours

 

Test Frequency

Available 24 hours, usual TAT 1 day

Reference Range

0.0 - 2.5%

 

Laboratory Critical Values Table

 

Performing Department

Respiratory Care

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Corewell Health Blodgett Laboratory (BIRL), Grand Rapids, MI
Corewell Health Big Rapids Laboratory (SHBR), Big Rapids, MI
Corewell Health Gerber Laboratory (SHGH), Fremont, MI

Corewell Health Ludington Laboratory (SHLH), Ludington, MI 
Corewell Health Reed City Laboratory (SHRC), Reed City, MI
Corewell Health Greenville Laboratory (), Greenville, MI
Corewell Health Zeeland Community Laboratory (SHZCH), Zeeland, MI

Methodology

Potentiometry, Amperometry, and Conductometry

 

This test was developed and its performance characteristics determined by Spectrum Health Toxicology Laboratory. It has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.

 

CPT

83050

CDM Code

3018305001

Epic Test ID

1230100930

LOINC

Methemoglobin: 2614-6

Reviewed Date

6/9/2023