The erythrocyte sedimentation rate (ESR) may be affected by variation in hematocrit, MCHC and serum protein. It is important to correct for these factors to ensure an accurate interpretation.
corrected ESR in mm in 1 hour =
= ((((1.5 * (ESR)) + (1.9905 * C)) / ((100 / (hematocrit as whole number)) - 1)) - (1.327 * C))
where:
• C = (((MCHC in g/dL) - (total protein in g/dL)) / 25)
Limitations:
• Anisocytosis or poikilocytosis may interfere with rouleaux formation and cause large variations in the sedimentation rate.
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Purpose: To correct the erythrocyte sedimentation rate (ESR) for anemia.
Specialty: Hematology Oncology, Clinical Laboratory, Infectious Diseases, Immunology/Rheumatology
Objective: laboratory tests
ICD-10: R70, R71,
