Common Laboratory (LAB) Values [ C ]

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C
C-Reactive Protein (CRP) Calcitonin (serum) Calcium (Serum) Calcium (Urine) Calcium (Ionized) Serum Carbon Dioxide (Serum) Carboxyhemoglobin (blood) Catecholamines Fractionated, Urine Catecholamines Fractionated, Plasma Cerebrospinal Fluid Analysis (CSF) Chloride (Serum) Cholesterol Coagulation screen Complement C3 (Serum) Complement C4 (Serum) Complete blood count (CBC) Copper (serum) Cortisol, free (Urine) Cortisol (serum) C-peptide (serum) Creatine Kinase (CK) Isoenzymes Creatinine (Serum) Creatinine (Urine) Creatinine Clearance (CrCL)
Lab (Specimen)	Conventional Units	SI Units
C-Reactive Protein (CRP), Cardiac  (Plasma)	Normal: < 0.8 mg/dL Low risk: <1.00 mg/L Average risk: 1.00 - 3.00 mg/L High risk: >3.00 mg/L
Calcitonin (serum)	Male:  <13.8 pg/ml Female: < 6.4 pg/ml	Male:  <13.8 ng/L Female: < 6.4 ng/L
Calcium (Serum)	8.5 - 10.3 mg/dL Alt: 0-6 months: 8.9-11.0 mg/dL 7 mon to adults: 8.5-10.6 mg/dL	2.12 - 2.57 mmol/L
Calcium (Urine)	Male: <300 mg/day Female: <250 mg/day	Male: <7.5 mmol/day Female: <6.2 mmol/day
Calcium (Ionized) Serum	4.5 - 5.6 mg/dL	Birth up to 1 month: 1.10-1.35 mmol/L 1 month-adult: 1.11 - 1.30 mmol/L
Carbon Dioxide (Serum)	20 - 32 mmol/L	20 - 32 mmol/L
Carboxyhemoglobin (blood)	<2% of total Hb (nonsmoker)	< 0.02
Catecholamines Fractionated, Urine Free  (Adults)	Components Reference Interval Dopamine 60 - 610 µg/24 hrs Epinephrine 0 - 25 µg/24 hrs Norepinephrine 0 - 140 µg/24 hrs
Catecholamines Fractionated, Plasma	Supine Components Reference Interval Epinephrine     Age   2-10 days 11 days-3 months 4-11 months 12-23 months 24-35 months 3-17 yr 18 yr and older 36-400 pg/mL 55-200 pg/mL 55-440 pg/mL 36-640 pg/mL 18-440 pg/mL 18-460 pg/mL 10-200 pg/mL Norepinephrine     Age   2-10 days 11 days-3 months 4-11 months 12-23 months 24-35 months 3-17 yr 18 yr and older 170-1180 pg/mL 370-2080 pg/mL 270-1120 pg/mL 68-1810 pg/mL 170-1470 pg/mL 85-1250 pg/mL 80-520 pg/mL Dopamine 2 days and older: 0-20 pg/mL
Cerebrospinal Fluid Analysis (CSF)
Chloride (Serum)	95 - 108 mEq/L	95 - 108 mmol/L
Cholesterol	ATP III Classification of LDL, Total, and HDL Cholesterol (mg/dL) LDL Cholesterol – Primary Target of Therapy: Optimal: <100 mg/dL Near optimal/above optimal: <100-129 mg/dL Borderline high: 130-159 mg/dL High: 160-189 mg/dL Very high: >189 mg/dL Total Cholesterol Desirable: < 200 Borderline high: 200-239 High: >/= 240 HDL Cholesterol Low: < 40 High: > 60
Coagulation screen:  Bleeding time: Prothrombin time: PTT (activated): Protein C: Protein S :	3-9.5 min 10-13 sec 22-37 sec 0.7-1.4 μ/ml 0.7-1.4 μ/ml	180-570 sec 10-13 sec 22-37 sec 700-1400 U/ml 700-1400 U/ml
Complement C3 (Serum)	75 - 161 mg/dL. Alt: 90-180 mg/dL	0.75 - 1.61 g/L
Complement C4 (Serum)	16 - 47 mg/dL	0.16 - 0.47 g/L
Complete blood count (CBC)
Hematocrit   Age 0.5-2 yr 3-6 yr 7-12 yr 13+ yr Male %  30.9-37.0% 31.7-37.7% 32.7-39.3% 40.8-51.9% Female % 31.2-37.2% 32.0-37.1% 33.0-36.9% 34.3-46.6%  Hemoglobin   Age 61-180 days 0.5-2 yr 3-6 yr 7-12 yr 13+ yr Male (g/dL) 9.7-12.2 10.3-12.4 10.5-12.7 11.0-13.3 14.6-17.8 Female (g/dL) 9.7-12.0 10.4-12.4 10.7-12.7 10.9-13.3 12.1-15.9  Red Blood Cell Count   Age 61-180 days 0.5-2 yr 3-6 yr 7-12 yr 13+ yr Male (M/µL) 3.50-4.70 4.10-5.00 4.00-4.90 4.00-4.90 4.69-6.07 Female (M/µL) 3.40-4.60 4.10-4.90 4.00-4.90 4.00-4.90 3.88-5.46  White Blood Cell Count   Age 61-180 days 0.5-2 yr 3-6 yr 7-12 yr 13+ yr Male (K/µL) 6.9-15.7 6.2-14.5 5.3-11.5 4.5-10.5 3.2-10.6 Female (K/µL) 6.8-16.0 6.4-15.0 5.3-11.5 4.7-10.3 3.2-10.6  MCV   Age 61-180 days 0.5-2 yr 2-6 yr 6-12 yr > 12 yr Male (fL) 73.6-86.6 70.5-81.2 72.7-83.6 75.9-86.5 77.8-94.0 Female (fL) 74.7-87.6 71.5-81.8 73.8-84.3 76.8-87.6 77.8-94.0  MCH   Age 61-180 days 0.2-2 yr 2-6 yr 6-12 yr > 12 yr Male (pg) 24.5-29.1 23.2-27.5 24.1-28.4 25.4-29.4 26.5-32.6 Female (pg) 24.7-29.6 23.5-27.6 24.3-28.6 25.4- 29.6 26.5-32.6  MCHC   Age 61-180 days 0.5-2 yr 2-6 yr 6-12 yr > 12 yr Male (g/dL) 32.0-35.1 31.9-35.0 31.9-35.1 32.2-35.2 32.7-36.9 Female (g/dL) 32.0-35.1 31.8-34.8 31.9-35.0 31.9-35.0 32.7-36.9 RDW:  12 yr and older: 10.8-14.1%  Platelets   Age 61-180 days 0.5-2 yr 3-6 yr 7-12 yr 13 + yr Male (K/µL) 275-566 219-452 204-405 194-364 177-406 Female (K/µL) 288-598 229-465 204-402 183-369 177-406 MPV:  12 yr and older: 5.9-9.8 fL
Lab (Specimen)	Conventional Units	SI Units
Copper (serum)	70 - 155 µg/dL	11 - 24.4 µmol/L
Cortisol, free (Urine)	20 - 90 µg/day	55- 248 nmol/day
Cortisol (serum)	AM: 4.3 - 22.4 μg/dL; PM: 3.1-16.7 μg/dL	AM: 110 - 607 nmol/L PM: 83 - 469 nmol/L
C-peptide (serum)	0.8 - 4.0 ng/mL	0.26 - 1.32 nmol/L
Creatine Kinase (CK)	Components Reference Interval CK-MM 97-100% CK-MB 0-3% CK-BB 0% Creatine Kinase, Total Age: Male: Female: 0 to 30 days:  1 month-19 yrs:  > 20 yrs old:  108-564 U/L   72-367 U/L 20-200 U/L 108-564 U/L 72-367 U/L 20-180 U/L
Creatinine (Serum)	0.7 - 1.4 mg/dl  (<1.2)	</= 106 µmol/L
Creatinine (Urine)	Male: 0.8 - 2.4 g/day Female: 0.6 - 1.8 g/day	Male: 7.1 - 21.2 mmol/day Female: 5.3 - 15.9 mmol/day
Creatinine Clearance (CrCL) Note: Creatinine clearance reference intervals are based on a body surface area of 1.73 square meters.	Male: <12 yr: 50-90 mL/minute, >12 yr: 97-137 mL/minute	Female: < 12 yr: 50-90 mL/minute, > 12 yr: 88-128 mL/minute
Important Notes
>Unless noted, all values are for adults. >All laboratory values listed are method dependent (Methods include: immunoassay, colorimetry, electrophoresis, HPLC, etc). >Values may vary between laboratories.