Reference Data

UNIT 6


Reference Data



Common Laboratory Tests



















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Test, Specimen Age, Gender, Reference NORMAL RANGES
Conventional Units International Units (SI)
Acetaminophen
Serum or plasma Therap conc 10-30 mcg/ml 66-200 µmol/L
Toxic conc >200 mcg/ml >1300 µmol/L
Alkaline phosphatase Infant 150-420 U/L 150-420 U/L
  2-10 yr 100-320 U/L 100-320 U/L
  Adolescent male 100-390 U/L 100-390 U/L
  Adolescent female 100-320 U/L 100-320 U/L
Ammonia
Plasma or serum <30 days 21-95 µmol/L 21-95 µmol/L
1-12 mo 18-74 µmol/L 18-74 µmol/L
1-14 yr 17-68 µmol/L 17-68 µmol/L
>14 yr 19-71 µmol/L 19-71 µmol/L
Amylase (serum) 1-19 yr 30-100 U/L 30-100 U/L
Anion gap (sodium-[chloride + bicarbonate])   7-16 mEq/L 7-16 mEq/L
Antistreptolysin O Titer (ASO)
Serum 2-5 yr <160 Todd units  
6-9 yr 240 Todd units  
  10-12 yr 320 Todd units  
Alanine Aminotransferase (ALT) Neonate/infant 13-45 U/L 13-45 U/L
Adult male 10-40 U/L 10-40 U/L
Adult female 7-35 U/L 7-35 U/L
Amylase (serum) Newborn 5-65 U/L 5-65 U/L
  Adult 27-131 U/L 27-131 U/L
Antinuclear antibody (ANA) Not significant <1 : 80  
Likely significant >1 : 320  
Base Excess
Whole blood Newborn (−10)-(−2) mEq/L (−10)-(−2) mmol/L
Infant (−7)-(−1) mEq/L (−7)-(−1) mmol/L
Child (−4)-(+2) mEq/L (−4)-(+2) mmol/L
Thereafter (−3)-(+3) mEq/L (−3)-(+3) mmol/L
Bicarbonate (HCO3)
Serum Arterial 21-28 mmol/L 21-28 mmol/L
Venous 22-29 mmol/L 22-29 mmol/L
Bilirubin, total   Premature (mg/dl) Full-term (mg/dl) Premature (µmol/L) Full-term (µmol/L)
Serum Cord <2 <2 <34 <34
0-1 d <8 <8.7 <137 <149
1-2 d <12 <11.5 <205 <197
3-5 d <16 <12 <274 <205
Older infant <2 <1.2 <34 <21
Bilirubin, Direct (Conjugated)
Serum Neonate <0.6 mg/dl <10 µmol/L
  Infant/child <0.2 mg/dl <3.4 µmol/L
Bleeding Time
  1-5 yr 6 min (2.5-10)  
6-10 yr 7 min (2.5-13)  
  11-16 yr 5 min (3-8)  
Estimated Blood Volume
Whole blood Term newborn 78-86 ml/kg  
1-12 mo 73-78 ml/kg  
  1-3 yr 74-82 ml/kg  
  4-6 yr 80-86 ml/kg  
  7-18 yr 83-90 ml/kg  
C-reactive Protein (CRP)
Serum (values given are for males; there is slight difference for females) 0-90 days 0.08-1.58 mg/dl 0.8-15.8 mg/L
91 d-12 mo 0.08-1.12 mg/dl 0.8-11.2 mg/L
13 mo-3 yr 0.08-1.12 mg/dl 0.8-11.2 mg/L
4-10 yr 0.06-0.79 mg/dl 0.6-7.9 mg/L
11-14 yr 0.08-0.76 mg/dl 0.8-7.6 mg/L
15-18 yr 0.04-0.79 mg/dl 0.4-7.9 mg/L
Calcium, Ionized
Serum, plasma, or whole blood Cord 5.0-6.0 mg/dl 1.25-1.50 mmol/L
Newborn, 3-24 hr 4.3-5.1 mg/dl 1.07-1.27 mmol/L
24-48 hr 4.0-4.7 mg/dl 1.00-1.17 mmol/L
Thereafter 4.8-4.92 mg/dl or 2.24-2.46 mEq/L 1.12-1.23 mmol/L
Calcium, Total
Serum Cord 9.0-11.5 mg/dl 2.25-2.88 mmol/L
Newborn, 3-24 hr 9.0-10.6 mg/dl 2.3-2.65 mmol/L
24-48 hr 7.0-12.0 mg/dl 1.75-3.0 mmol/L
4-7 d 9.0-10.9 mg/dl 2.25-2.73 mmol/L
Child 8.8-10.8 mg/dl 2.2-2.70 mmol/L
Thereafter 8.4-10.2 mg/dl 2.1-2.55 mmol/L
Carbon Dioxide, Partial Pressure (PCO2)
Whole blood, arterial Newborn 27-40 mm Hg 3.6-5.3 kPa
Infant 27-41 mm Hg 3.6-5.5 kPa
Thereafter: Male 35-48 mm Hg 4.7-6.4 kPa
 Female 32-45 mm Hg 4.3-6.0 kPa
Carbon Dioxide, Total (CO2 Content)
Serum or plasma Cord 14-22 mEq/L 14-22 mmol/L
Premature (1 wk) 14-27 mEq/L 14-27 mmol/L
Newborn 13-22 mEq/L 13-22 mmol/L
Infant, child 20-28 mEq/L 20-28 mmol/L
Thereafter 23-30 mEq/L 23-30 mmol/L
Cerebrospinal Fluid (CSF)
Opening Pressure (lateral recumbent) Newborn 8-11 cm H2O  
  Infant/child <29 cm H2O  
Chloride      
Serum or plasma Cord 96-104 mEq/L 96-104 mmol/L
Newborn 97-110 mEq/L 97-110 mmol/L
Thereafter 98-106 mEq/L 98-106 mmol/L
Sweat Normal (homozygote) <40 mEq/L <40 mmol/L
Marginal (e.g., asthma, Addison disease, malnutrition) 45-60 mEq/L 45-60 mmol/L
Cystic fibrosis >60 mEq/L >60 mmol/L
Cholesterol, Total (Lipids)
Serum or plasma Acceptable <170 mg/dl (LDL <110 mg/dl)
HDL 45 (desirable)		 <4.4 mmol/L (LDL <2.85 mmol/L)
Borderline 170-199 mg/dl (LDL 110-129 mg/dl) 4.4-5.1 mmol/L (LDL 2.85-3.35 mmol/L)
High ≥200 mg/dl (LDL ≥130 mg/dl) ≥5.2 mmol/L (LDL ≥3.35 mmol/L)
Creatine Kinase (CK)
Serum Cord 70-380 U/L 70-380 U/L
5-8 hr 214-1175 U/L 214-1175 U/L
24-33 hr 130-1200 U/L 130-1200 U/L
72-100 hr 87-725 U/L 87-725 U/L
Adult 5-130 U/L 5-130 U/L
Creatinine
Serum Cord 0.6-1.2 mg/dl 53-106 µmol/L
Newborn 0.3-1.0 mg/dl 27-88 µmol/L
Infant 0.2-0.4 mg/d 18-35 µmol/L
Child 0.3-0.7 mg/dl 27-62 µmol/L
Adolescent 0.5-1.0 mg/dl 44-88 µmol/L
Urine, 24 hr Premature 8.1-15.0 mg/kg/24 hr 72-133 µmol/kg/24 hr
Full-term 10.4-19.7 mg/kg/24 hr 92-174 µmol/kg/24 hr
1.5-7 yr 10-15 mg/kg/24 hr 88-133 µmol/kg/24 hr
7-15 yr 5.2-41 mg/kg/24 hr 46-362 µmol/kg/24 hr
Creatinine Clearance (Endogenous)
Serum or plasma and urine Newborn 40-65 ml/min/1.73 m2  
<40 yr: Male 97-137 ml/min/1.73 m2  
 Female 88-128 ml/min/1.73 m2  
Digoxin
Serum, plasma; collect at least 12 hr after dose Therap conc 0.8-2.0 ng/ml  
Toxic conc >2.0-2.5 ng/ml  
Eosinophil Count
Whole blood, capillary blood 50-250 cells/mm3 (µl) 50-250 × 106 cells/L  
Erythrocyte (RBC) Count
Whole blood Cord 3.9-5.5 million/mm3 3.9-5.5 × 1012 cells/L
1-3 d 4.0-6.6 million/mm3 4.0-6.6 × 1012 cells/L
1 wk 3.9-6.3 million/mm3 3.9-6.3 × 1012 cells/L
2 wk 3.6-6.2 million/mm3 3.6-6.2 × 1012 cells/L
1 mo 3.0-5.4 million/mm3 3.0-5.4 × 1012 cells/L
2 mo 2.7-4.9 million/mm3 2.7-4.9 × 1012 cells/L
3-6 mo 3.1-4.5 million/mm3 3.1-4.5 × 1012 cells/L
0.5-2 yr 3.7-5.3 million/mm3 3.7-5.3 × 1012 cells/L
2-6 yr 3.9-5.3 million/mm3 3.9-5.3 × 1012 cells/L
6-12 yr 4.0-5.2 million/mm3 4.0-5.2 × 1012 cells/L
12-18 yr: Male 4.5-5.3 million/mm3 4.5-5.3 × 1012 cells/L
 Female 4.1-5.1 million/mm3 4.1-5.1 × 1012 cells/L
Erythrocyte Sedimentation Rate (ESR)
  Term neonate 0-4 mm/hr  
Child 4-20 mm/hr  
D-Dimer, plasma Adults (positive titer) ≥1 : 8  
Fibrin degradation products Adults Positive titer <1 : 50  
Fibrinogen
Plasma Term Newborn Day 1 283 mg/dl (167-309) 2.83 g/L
1-5 yr 276 mg/dl (170-405) 2.76 g/L
  6-10 yr 279 mg/dl (157-400) 2.79 g/L
  11-16 yr 300 mg/dl (154-448) 3.0 g/L
Galactose
Serum Newborn 0-20 mg/dl 0-1.11 mmol/L
Thereafter <5 mg/dl <0.28 mmol/L
Urine Newborn ≤60 mg/dl ≤3.33 mmol/L
Thereafter <14 mg/24 hr <0.08 mmol/d
Glucose
Serum Cord 45-96 mg/dl 2.5-5.3 mmol/L
Newborn, 1 d 40-60 mg/dl 2.2-3.3 mmol/L
Newborn, >1 d 50-90 mg/dl 2.8-5.0 mmol/L
Child 60-100 mg/dl 3.3-5.5 mmol/L
Thereafter 70-105 mg/dl 3.9-5.8 mmol/L
Whole blood Adult 65-95 mg/dl 3.6-5.3 mmol/L
CSF Adult 40-70 mg/dl 2.2-3.9 mmol/L
Urine (quantitative)   <0.5 g/d <2.8 mmol/d
Urine (qualitative)   Negative Negative
Glucose Tolerance Test (GTT), Oral
Serum      
Dosages   Normal Diabetic Normal Diabetic
Adult: 75 g Fasting 70-105 mg/dl ≥126 mg/dl 3.9-5.8 mmol/L ≥7 mmol/L
Child: 1.75 g/kg of ideal weight up to maximum of 75 g 60 min 120-170 mg/dl ≥200 mg/dl 6.7-9.4 mmol/L ≥11 mmol/L
90 min 100-140 mg/dl ≥200 mg/dl 5.6-7.8 mmol/L ≥11 mmol/L
120 min 70-120 mg/dl ≥200 mg/dl 3.9-6.7 mmol/L ≥11 mmol/L
Glycosylated hemoglobin Hb A1c** desired goal for type 1 diabetic children 0-6 yrs <8.5% but >7.5%  
6-12 yrs <8%  
13-19 yrs <7.5%
  Target goal for nonpregnant adults ≤6.5%  
Hematocrit (HCT, Hct)
Whole blood 1 d (capillary) 48%-69% 0.48-0.69 vol fraction
2 d 48%-75% 0.48-0.75 vol fraction
3 d 44%-72% 0.44-0.72 vol fraction
2 mo 28%-42% 0.28-0.42 vol fraction
6-12 yr 35%-45% 0.35-0.45 vol fraction
12-18 yr: Male 37%-49% 0.37-0.49 vol fraction
 Female 36%-46% 0.36-0.46 vol fraction
Hemoglobin (Hb)
Whole blood 1-3 d (capillary) 14.5-22.5 g/dl 2.25-3.49 mmol/L
2 mo 9.0-14.0 g/dl 1.40-2.17 mmol/L
6-12 yr 11.5-15.5 g/dl 1.78-2.40 mmol/L
12-18 yr: Male 13.0-16.0 g/dl 2.02-2.48 mmol/L
 Female 12.0-16.0 g/dl 1.86-2.48 mmol/L
Hemoglobin A
Whole blood   >95% of total >0.95 fraction of Hb
Hemoglobin F
Whole blood 1 d 77% total Hb  
5 d 76.88% total Hb  
3 wk 70% total Hb  
6-9 wk 52.9 % total Hb  
3-4 mo 23.2% total Hb  
6 mo 4.7% total Hb  
8-11 mo 1.6% total Hb  
Immunoglobulin A (IgA)
Serum Cord 1.4-3.6 mg/dl 14-36 mg/L
1-3 mo 1.3-53 mg/dl 13-530 mg/L
4-6 mo 4.4-84 mg/dl 44-840 mg/L
7-12 mo 11-106 mg/dl 110-1060 mg/L
2-5 yr 14-159 mg/dl 140-1590 mg/L
6-10 yr 33-236 mg/dl 330-2360 mg/L
Adult 70-312 mg/dl 700-3120 mg/L
Immunoglobulin D (IgD)
Serum Newborn None detected None detected
Thereafter 0-8 mg/dl 0-80 mg/L
Immunoglobulin E (IgE)
Serum Male 0-230 IU/ml 0-230 kIU/L
Female 0-170 IU/ml 0-170 kIU/L
Immunoglobulin G (IgG)
Serum Cord 636-1606 mg/dl 6.36-16.06 g/L
1 mo 251-906 mg/dl 2.51-9.06 g/L
2-4 mo 176-601 mg/dl 1.76-6.01 g/L
5-12 mo 172-1069 mg/dl 1.72-10.69 g/L
1-5 yr 345-1236 mg/dl 3.45-12.36 g/L
6-10 yr 608-1572 mg/dl 6.08-15.72 g/L
Adult 639-1349 mg/dl 6.39-13.49 g/L
Immunoglobulin M (IgM)
Serum Cord 6.3-25 mg/dl 63-250 mg/L
1-4 mo 17-105 mg/dl 170-1050 mg/L
5-9 mo 33-126 mg/dl 330-1260 mg/L
10-12 mo 41-173 mg/dl 410-1730 mg/L
2-8 yr 43-207 mg/dl 430-2070 mg/L
9-10 yr 52-242 mg/dl 520-2420 mg/L
Adult 56-352 mg/dl 560-3520 mg/L
International Normalized Ratio (INR)—only for patients on coumarin DVT target INR 2-3 sec  
Prosthetic heart valve 3-4 sec  
Iron
Serum Newborn 100-250 mcg/dl 18-45 µmol/L
Infant 40-100 mcg/dl 7-18 µmol/L
Child 50-120 mcg/dl 9-22 µmol/L
Thereafter: Male 65-170 mcg/dl 12-30 µmol/L
 Female 50-170 mcg/dl 9-30 µmol/L
Intoxicated child 280-2550 mcg/dl 50.12-456.5 µmol/L
Fatally poisoned child >1800 mcg/dl >322.2 µmol/L
Iron-binding capacity, total (TIBC)
Serum Infant 100-400 mcg/dl 17.90-71.60 µmol/L
Thereafter 250-400 mcg/dl 44.75-71.60 µmol/L
Lead
Whole blood Child <10 mcg/dl <0.48 µmol/L
Toxic ≥70 mcg/dl ≥3.38 µmol/L
Leukocyte count (WBC count)   ×1000 cells/mm3 (µl) ×109 cells/L
Whole blood Birth 9.0-30.0 9.0-30.0
24 hr 9.4-34.0 9.4-34.0
1 mo 5.0-19.5 5.0-19.5
1-3 yr 6.0-17.5 6.0-17.5
4-7 yr 5.5-15.5 5.5-15.5
8-13 yr 4.5-13.5 4.5-13.5
Adult 4.5-11.0 4.5-11.0
CSF (cell count)   ×1000 cells/mm3 (µl) ×106 cells/L
Preterm 0-25 mononuclear 0-25
  0-10 polymorphonuclear 0-10
  0-1000 RBCs 0-1000
Newborn 0-20 mononuclear 0-20
  0-10 polymorphonuclear 0-10
  0-800 RBCs 0-800
Neonate 0-5 mononuclear 0-5
  0-10 polymorphonuclear 0-10
  0-50 RBCs 0-50
Thereafter 0-5 mononuclear 0-5
Leukocyte Differential Count
Whole blood Myelocytes 0% 0 cells/mm3 (µl) Number fraction 0
Neutrophils—“bands” 3%-5% 150-400 cells/mm3 (µl) Number fraction 0.03-0.05
Neutrophils—“segs” 54%-62% 3000-5800 cells/mm3 (µl) Number fraction 0.54-0.62
Lymphocytes 25%-33% 1500-3000 cells/mm3 (µl) Number fraction 0.25-0.33
Monocytes 3%-7% 285-500 cells/mm3 (µl) Number fraction 0.03-0.07
Eosinophils 1%-3% 50-250 cells/mm3 (µl) Number fraction 0.01-0.03
Basophils 0%-0.75% 15-50 cells/mm3 (µl) Number fraction 0-0.0075
Lipase (serum) 0-90 days 10-85 U/L 10-85 U/L
  3-12 mo 9-128 U/L 9-128 U/L
  1-11 yr old 10-150 U/L 10-150 U/L
  >11 yr 10-220 U/L 10-220 U/L
Mean Corpuscular Hemoglobin (MCH)
Whole blood Birth 31-37 pg/cell 0.48-0.57 fmol/cell
1-3 d (cap) 31-37 pg/cell 0.48-0.57 fmol/cell
1 wk-1 mo 28-40 pg/cell 0.43-0.62 fmol/cell
2 mo 26-34 pg/cell 0.40-0.53 fmol/cell
3-6 mo 25-35 pg/cell 0.39-0.54 fmol/cell
0.5-2 yr 23-31 pg/cell 0.36-0.48 fmol/cell
2-6 yr 24-30 pg/cell 0.37-0.47 fmol/cell
6-12 yr 25-33 pg/cell 0.39-0.51 fmol/cell
12-18 yr 25-35 pg/cell 0.39-0.54 fmol/cell
18-49 yr 26-34 pg/cell 0.40-0.53 fmol/cell
Mean Corpuscular Hemoglobin Concentration (MCHC)
Whole blood Birth 30%-36% Hb/cell or g Hb/dl RBCs 4.65-5.58 mmol Hb/L RBCs
1-3 d (cap) 29%-37% Hb/cell or g Hb/dl RBCs 4.50-5.74 mmol Hb/L RBCs
1-2 wk 28%-38% Hb/cell or g Hb/dl RBCs 4.34-5.89 mmol Hb/L RBCs
1-2 mo 29%-37% Hb/cell or g Hb/dl RBCs 4.50-5.74 mmol Hb/L RBCs
3 mo-2 yr 30%-36% Hb/cell or g Hb/dl RBCs 4.65-5.58 mmol Hb/L RBCs
  2-18 yr 31%-37% Hb/cell or g Hb/dl RBCs 4.81-5.74 mmol Hb/L RBCs
>18 yr 31%-37% Hb/cell or g Hb/dl RBCs 4.81-5.74 mmol Hb/L RBCs
Mean Corpuscular Volume (MCV)
Whole blood 1-3 d (cap) 95-121 µm3 95-121 fl
0.5-2 yr 70-86 µm3 70-86 fl
6-12 yr 77-95 µm3 77-95 fl
12-18 yr: Male 78-98 µm3 78-98 fl
 Female 78-102 µm3 78-102 fl
Activated Partial Thromboplastin Time (aPTT)
  Term infant 42.9 sec (31.3-54.3)  
  1-5 yr 30 sec (24-36)  
  6-10 yr 31 sec (26-36)  
  11-18 yr 32 sec (26-37)  
Phenylalanine
Serum Preterm 2.0-7.5 mg/dl 120-450 µmol/L
Newborn 1.2-3.4 mg/dl 70-210 µmol/L
Thereafter 0.8-1.8 mg/dl 50-110 µmol/L
Platelet Count (Thrombocyte Count)
  Newborn (after 1 wk, same as adult) 84-478 × 103/mm3 (µl) 84-478 × 109/L
Adult 150-400 × 103/mm3 (µl) 150-400 × 109/L
Potassium
Serum Newborn 3.0-6.0 mEq/L 3.0-6.0 mmol/L
Thereafter 3.5-5.0 mEq/L 3.5-5.0 mmol/L
Plasma (heparin)   3.4-4.5 mEq/L 3.4-4.5 mmol/L
Urine, 24 hr   2.5-125 mEq/d (varies with diet) 2.5-125 mmol/L
Protein, Total (Serum)
  Preterm 4.3-7.6 g/dl 43-76 g/L
Newborn 4.6-7.4 g/dl 46-74 g/L
1-7 yr 6.1-7.9 g/dl 61-79 g/L
8-12 yr 6.4-8.1 g/dl 64-81 g/L
13-19 yr 6.6-8.2 g/dl 66-82 g/L
CSF   Lumbar: 8-32 mg/dl 80-320 mg/L
Prothrombin Time (PT)
Whole blood (Na citrate) In general 11-15 sec (varies with type of thromboplastin) 11-15 sec
Newborn Prolonged by 2-3 sec Prolonged by 2-3 sec
Reticulocyte Count
Whole blood Adults 0.5%-1.5% of erythrocytes or 25,000-75,000/mm3 (µl) 0.005-0.015 (number fraction) or 25,000-75,000 × 106/L
Capillary 1 d 0.4%-6.0% 0.004-0.060 (number fraction)
7 d <0.1%-1.3% <0.001-0.013 (number fraction)
1-4 wk <0.1%-1.2% <0.001-0.012 (number fraction)
5-6 wk <0.1%-2.4% <0.001-0.024 (number fraction)
7-8 wk 0.1%-2.9% 0.001-0.029 (number fraction)
9-10 wk <0.1%-2.6% <0.001-0.026 (number fraction)
11-12 wk 0.1%-1.3% 0.001-0.013 (number fraction)
Rheumatoid Factor <30 U/ml    
Salicylates
Serum, plasma Therap conc 15-30 mg/dl 1.1-2.2 mmol/L
Toxic conc >30 mg/dl >18.5 mmol/L
Sodium
Serum or plasma Newborn 134-146 mEq/L 134-146 mmol/L
Infant 139-146 mEq/L 139-146 mmol/L
Child 138-145 mEq/L 138-145 mmol/L
Thereafter 136-146 mEq/L 136-146 mmol/L
Urine, 24 hr   40-220 mEq/L (diet dependent) 40-220 mmol/L
Sweat Normal <40 mEq/L <40 mmol/L
Indeterminate 45-60 mEq/L 45-60 mmol/L
Cystic fibrosis >60 mEq/L >60 mmol/L
Specific gravity      
Urine, random Adult 1.002-1.030 1.002-1.030
After 12-hr fluid restriction >1.025 >1.025
Urine, 24 hr   1.015-1.025  
Thrombin time
Whole blood (Na citrate)   Control time ±2 s when control is 9-13 s Control time ±2 s when control is 9-13 s
Thyroxine, Total (T4)
Serum 1-3 day term 8.2-19.9 mcg/dl 106-256 nmol/L
1 week 6-15.9 mcg/dl 77-205 nmol/L
1-12 mo 6.1-14.9 mcg/dl 79-192 nmol/L
1-3 yr 6.8-13.5 mcg/dl 88-174 nmol/L
3-10 yr 5.5-12.8 mcg/dl 71-165 nmol/L
Thereafter 4.2-13 mcg/dl 54-167 nmol/L
Triglycerides (TG), Total   Male (mg/dl) Female (mg/dl) Male (g/L) Female (g/L)
MEAN 90th percentile
  Cord 34    
1-4 yr 56 64 85 95
5-9 yr 52 64 70 103
10-14 yr 63 72 94 104
15-19 yr 78 73 125 112
Triiodothyronine (T3), Free
Serum Cord 20-240 pg/dl 0.3-3.7 pmol/L
1-3 d 200-610 pg/dl 3.1-9.4 pmol/L
6 wk 240-560 pg/dl 3.7-8.6 pmol/L
Adults (20-50 yr) 230-660 pg/dl 3.5-10.0 pmol/L
Triiodothyronine, Total (T3-RIA)
Serum Cord 30-70 ng/dl 0.46-1.08 nmol/L
Newborn 72-260 ng/dl 1.16-4 nmol/L
1-5 yr 100-260 ng/dl 1.54-4 nmol/L
5-10 yr 90-240 ng/dl 1.39-3.70 nmol/L
10-15 yr 80-210 ng/dl 1.23-3.23 nmol/L
Thereafter 115-190 ng/dl 1.77-2.93 nmol/L
Urea Nitrogen
Serum or plasma Cord 21-40 mg/dl 7.5-14.3 mmol/L
Premature (1 wk) 3-25 mg/dl 1.1-9 mmol/L
Newborn 3-12 mg/dl 1.1-4.3 mmol/L
Infant or child 5-18 mg/dl 1.8-6.4 mmol/L
Thereafter 7-18 mg/dl 2.5-6.4 mmol/L

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Jan 16, 2017 | Posted by in NURSING | Comments Off on Reference Data

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