Special Calculations Definition
Beckman Coulter Predefined Special Calculation Formulas
UniCel DxC Systems Instructions For Use A13914 System Setup Options
October 2005 Page 4-27
4
Beckman Coulter Predefined Special Calculation Formulas
Crea Clearance (1) mL/min X.X T Urine
Crea Clearance (2) mL/sec X.X T Urine
ApoA/ApoB Ratio None X.X Serum
ApoB/ApoA Ratio None X.X Serum
Hemoglobin A1c % X.X Serum
Table 4.2 Beckman Coulter Predefined Special Calculations Defaults, continued
Calculation Unit Precision Sample Type
(2 of 2)
Table 4.3 UniCel DxC 600 Predefined Special Calculation Formulas
Calculation Formula
Osmality (1) (1.86 × NA) + (GLUCm/18) + (BUN/2.8) + 9
Osmality (2) (1.86 × NA) + (GLUCm/18) + (UREA) + 9
Anion Gap (1) NA - (CL + CO
2
)
Anion Gap (2) (NA + K) - (CL + CO
2
)
A/G Ratio ALB / (TP - ALB)
Indirect Bili TBIL - DBIL
BUN/Crea Ratio BUN/CREA
Urea/Crea Ratio UREA/(CREA × 0.0884)
Free Thyroxine T4 × (TU/0.342)
Crea Clearance (1) [(U × V)/P] × (1.73/A) reported in mL/min
Crea Clearance (2) [(U × V)/P] × (1.73/A) reported in mL/sec
ApoA/ApoB ApoA/ApoB
ApoB/ApoA ApoB/ApoA
HbA1c A1c/Hb × 100
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