Laboratory Assessment of Nutritional Status: Bridging Theory & Practice. MARY LITCHFORD

2.15-2.57 mmol/L Chloride (S) 98-108 mEq/L 1.00 98-108 mmol/L Cholesterol (P) <200 mg/dL 0.02586 <5.15 mmol/L Creatinine (S) Males Females 0.6-1.2 mg/dL 0.5-1.1 mg/dL 88.40 88.40 53-106 μmol/L 44-97 μmol/L Creatinine (U) Variable g/24 hr 8.840 Variable mmol/L Cyanocobalamin (S) (Vitamin B12) 250-950 pg/mL 0.7378 118-701 pmol/L Ferritin (S) Males Females 29-438 ng/mL 9-219 ng/mL 1.00 1.00 29-438 μg/dL 9-219 μg/dL Folate (S) 2.5-20 ng/mL 2.266 6-46 nmol/L Glucose (P) fasting 70-100 mg/dL 0.05551 3.9-5.5 mmol/L Hematocrit volume fraction Female Male 37-47% 42-52% 0.01 0.01 0.37-0.47 0.42-0.52 Hemoglobin (B) Male Female 14-18 g/dL 12-16 g/dL 0.6214 0.6214 8.7-11.2 mmol/L 7.4-9.9 mmol/L Iron (S) Male Female 80-180 mcg/dL 60-160 mcg/dL 0.1791 0.1791 14-32 μmol/L 11-29 μmol/L

      Table 2. Selected SI Units & Conversion Table for Values in Clinical Chemistry

Component	Conventional Reference values/ Units	Conversion factor	SI Reference Values/ Units
Iron binding capacity	230-410 mcg/dL	0.1791	41-73 μmol/L
Lactate dehydrogenase (S)	120-300 U/L	1	120-300 U/L
Lipoproteins (P) low density (LDL) high density (HDL)	<100 mg/dL > 40 <60 mg/dL	0.02586 0.02586	< 2.59 mmol/L >1.0 < 1.55 mmol/L
Mean corpuscular hemoglobin concentration (MCH) mass	27-31 pg	1	27-31 pg
MCV (MCV)	80-100 um^3 (microns^3)	1	80-100 fL
Mean corpuscular hemoglobin concentration (MCHC)	32-36 %	0.01	0.32-0.36
Osmolality (P)	278-300 mOsm/kg H2O	1.00	278-300 mmol/kg H2O
Osmolality (U) Random	Varies mOsm/kg	1.00	Varies mmol/kg
Phosphate (S)	2.3-4.1 mg/dL	0.3229	0.75-1.35 mmol/L
Potassium ion (S)	3.7-5.1 mEq/L	1.00	3.7-5.1 mmol/L
Sodium ion (S)	134-142 mEq/L	1.00	134-142 mmol/L

      Table 2. Selected SI Units & Conversion Table for Values in Clinical Chemistry

Component	Conventional Reference values/ Units	Conversion factor	SI Reference Values/ Units
Thyroid-stimulating hormone (TSH)	0-5 μIU/mL	1.0	0-5 mIU/L
Thyroxine T4 Male Female	4.0-12.0 mcg/dL 5.0-12.0 mcg/dL	12.87 12.87	51-154 nmol/L 64-154 nmol/L
Triiodothyronine T3	70-235 ng/mL	0.01536	1.1-3.6 nmol/L
Transferrin (S) Male Female	215-365 mg/dL 250-380 mg/dL	0.01 0.01	2.15-3.65 g/L 2.50-3.80 g/L
Triglycerides (S)	<100 mg/dL	0.01129	<1.13 mmol/L
Urea nitrogen (S)	6-25 mg/dL	0.3570	2.1-8.9 mmol/L

      S = Serum, B = Blood,