Appendix C: Conversion Factors for Biochemistry and ...

Appendix

C

Conversion Factors for Biochemistry and Hematology STANDARD INTERNATIONAL UNITS A value in other units is multiplied by the factor to convert to S.I. units. A value in S.I. units is divided by the factor to convert to other units. Component Ammonia Ammonium ion Beta-hydroxybutyrate Bicarbonate Bilirubin Calcium Calcium Carotene Chloride Cholesterol Copper Copper Copper Creatine Creatinine Fluorine Fluorine Glucose Iodine, protein bound Iron Ketones (acetoacetic acid) Lactate Lactic acid Lead Lead Magnesium Magnesium Molybdenum Phosphate, inorganic (as P) Phosphorus, inorganic

Formula Weight 17.03 18.04 104.1 61.02 584 40.08 40.08 536.85 35.45 387 63.546 63.546 63.546 131.14 113.12 19.00 19.00 180.16 126.904 55.847 102.1 89.07 90.08 207.2 207.2 24.305 24.305 95.94 30.974 30.974

Goat Medicine, Second Edition Mary C. Smith and David M. Sherman © 2009 Wiley-Blackwell. ISBN: 978-0-781-79643-9

Other Units

S.I. Units

μg/dl μg/dl mg/dl mEq/l mg/dl mg/dl mEq/l μg/dl mEq/1 mg/dl mg/dl μg/dl ppm or μg/ml mg/dl mg/dl mg/l ppm or μg/ml mg/dl μg/dl μg/dl mg/dl mg/dl mg/dl ppm or μg/ml μg/dl mg/dl mEq/l ppm or μg/ml mg/dl mg/dl

μmol/l μmol/l mmol/l mmol/l μmol/l mmol/l mmol/1 μmol/l mmol/l mmol/l μmol/l μmol/l μmol/l μmol/l μmol/1 μmol/l μmol/l mmol/1 μmol/l μmol/l mmol/l mmol/l mmol/l μmol/l μmol/l mmol/1 mmol/l μmol/l mmol/l mmol/l

Factor 0.59 0.554 0.096 no change 17.1 0.250 0.5 0.0186 no change 0.0259 157.4 0.1574 15.74 76.25 88.4 52.64 52.64 0.0555 0.079 0.179 0.098 (0.1) 0.112 0.111 4.83 0.0483 0.411 0.5 10.42 0.323 0.323

823

824 Appendix C

Component

Formula Weight

Other Units

S.I. Units

Factor

Phosphorus, inorganic Potassium Progesterone Protein–total Selenium Selenium Sodium T3 Tri-iodothyronine T4 Thyroxine T4 Thyroxine Urea Urea nitrogen (2N/molecule) Vitamin A Vitamin B12 Vitamin B12 Vitamin E Zinc Zinc

30.974 39.098 314.47 — 78.96 78.96 22.990 646 773 773 60.06 28.014 286.44 1355.42 1355.42 430.69 65.38 65.38

mEq/1 mEq/l ng/ml g/dl ppm or μg/ml μg/dl mEq/1 ng/dl μg/dl ng/ml mg/dl mg/dl μg/dl ng/dl pg/dl μg/ml mg/dl ppm or μg/dl

mmol/l mmol/l nmol/l g/1 μmol/l μmol/l mmol/l nmol/l nmol/l nmol/l mmol/l mmol/l μmol/l pmol/l pmol/l μmol/l μmol/l μmol/l

no change no change 3.18 10 12.66 0.1266 no change 0.0155 12.9 1.29 0.166 0.357 .0349 7.38 0.00738 2.32 152.95 15.295

Bone calcium Bone magnesium Thyroid iodine Tissue copper Tissue fluorine Tissue lead Tissue manganese Tissue molybdenum Tissue selenium Tissue selenium Tissue zinc Liver vitamin A Liver vitamin B12

40.08 24.305 126.904 63.546 19.00 207.2 54.938 95.94 78.96 78.96 65.38 286.44 1355.42

% of Ash % of Ash μg/100 g ppm or μg/g ppm or μg/g ppm or μg/g ppm or μg/g ppm or μg/g ppm or μg/g ppm or μg/g ppm or μg/g ppm or μg/g pg/g

mol/kg of Ash mol/kg of Ash μmol/kg μmol/kg μmol/kg μmol/kg μmol/kg μmol/kg nmol/kg μmol/kg μmol/kg μmol/kg pmol/kg

g per 100 ml % 6 10 /cu. mm 106/μl 3 10 /cu. mm μμg

g/dl l/l 1012/l 1012/l 109/l pg

no change 0.01 no change no change no change no change

%

g/dl

no change

μ3 103/cu. mm

fl 109/l

no change no change

Hemoglobin P.C.V. (packed cell volume) R.B.C. (red blood cells) R.B.C. (red blood cells) W.B.C. (white blood cells) M.C.H. (mean corpuscular hemoglobin) M.C.H.C. (mean corpuscular hemoglobin concentration) M.C.V. (mean corpuscular volume) Platelets dl = 100 ml; cu. mm = mm3 = μl

0.25 0.41 0.079 15.74 52.63 4.826 18.20 10.42 12660 12.66 15.30 3.49 0.74