HemoCue Hb 201+- spectrophotometry
Performed at authorized locations by point of care operators. Aids in the diagnosis of anemia.
Analyte reference ranges are available in the HemoCue test procedure located on the POC website: https://www.pathology.med.umich.edu/point-of-care.
1. Start the measurement immediately after filling the microcuvette.
2. Mixing the samples for an extended period of time can produce increased oxygen pressure and viscosity that may give false results.
3. Following substances have not been found to interfere ( highest concentration or percentages tested is referred to in brackets)
a. Acetaminophen (20mg/dL)
b. Ascorbic acid (3 mg/dL)
c. Conjugated bilirubin (40 mg/dL)
d. Creatinine ( 30 mg/dL)
e. Ibuprofen (40 mg/dL)
f. Leukocytes (600 x 10x9)
g. Lipemia (intralipid 4000 bm/L, triglycerides approximately 1000 mg/dL)
•Heel punctures are performed on pediatric patients ages 0-4 months (up to 12 months if not walking). Venipuncture is required for patients 4 - 12 months old. Fingerstick may be performed on patients age 12 months to adult.
•For dermal punctures wipe away the first 2 -3 drops of blood.
EDTA K2, heparin- 3 mL
1 mL - EDTA K2
For more test specific information, please refer to the test procedure found on the Michigan Medicine POC website: https://www.pathology.med.umich.edu/point-of-care.