Interfering
Substance
Highest
Concentration Tested
Analyte(s)
Tested
Glucosamine 30.0 µmol/L Lac
Heparin 100 IU/mL Glu, Lac
Hydroxyurea 0.8 mg/dL Lac
Ibuprofen 2,425 µmol/L Glu, Lac
Intralipid 0.1%
pH, PCO
2
, PO
2
, Na,
K, Cl, iCa, Glu, Lac
Lithium Lactate 25.0 mmol/L Na, K, iCa, Glu
Magnesium Chloride 15.0 mmol/L Na, Cl, iCa
Maltose 13.0 mmol/L Glu, Lac
Mannose 10.0 mmol/L Glu, Lac
Perchlorate 1.0 mmol/L iCa,
Potassium Chloride 5.0 mmol/L addition pH, PCO
2
, PO
2
, iCa
Potassium
Thiocyanate
2,064 µmol/L Cl, Glu, Lac
Pyruvate 309 µmol/L Lac
Sodium Bromide 2.0 mmol/L Cl
Sodium Chloride 10.0 mmol/L addition pH, PCO
2
, PO
2
, iCa
Sodium Citrate 12.0 mmol/L Glu, Lac
Sodium Oxalate 500 mg/dL Glu, Lac
Sodium Salicylate 50.0 mg/dL Glu, Lac
Urea 40.0 mg/dL Lac
Uric Acid 1.4 mmol/L Lac
Xylose 25.0 mg/dL Glu, Lac
Zinc Chloride 1,300 µg/dL Na, K, iCa,