Common Lab Values

Hematology

* Denotes lab values to memorize

  Male Female Child Neonate
RBC 4.2-5.6 MmL 3.8-5.1 MmL 3.5-5.0 MmL  
WBC 3.8-11 K/mm3   5 - 10 K/mm3  
Hgb* 14-18 g/dl 11-16 g/dl 10-14 g/dl 15-25 g/dl
Hct* 39-54% 34-47% 30-42%  
MCV 78-98 FL      
MCH 27-35 pg      
MCHC 31-37%      
Neutrophils 50-81%      
Bands 1-5%      
Lymphocytes 14-44%      
Monocytes 2-6%      
Eosinophils 1-5%      
Basophils 0-1%      

Cardiac Markers

Normal Troponin I Troponin T Myoglobin CK CK-MB
Female 0-0.1 ng/ml 0-0.2 ng/ml 10-65 ng/ml 96-140 U/L 0-4 ng/ml
Male 0-0.1 ng/ml 0-0.2 ng/ml 10-95 ng/ml 38-174 U/L 0-4 ng/ml
ACUTE MI Troponin I Troponin T Myoglobin CK CK-MB
Onset (hrs) 4-6h 3-4h 1-3h 4-6h 3-4h
Peak (hrs) 12-24h 10-24h 12-24h 3-4d 2-3d

General Chemistry

* Denotes lab values to memorize

Acetone 0.3-2%  
Albumin 3.5-5.0 g/dl  
Alkaline Phosphatase 32-110 U/L  
Anion Gap* 5-16 mEq/L  
Ammonia 11-35 mmol/L  
Amylase* 50-150 U/dL  
AST,SGOT 6-21 U/L  
Bilirubin, direct 0.0-0.4 mg/dL  
Bilirubin, indirect Total minus direct  
Bilirubin Total 0.2-1.4 mg/dl  
BUN* 6-23 mg/dL  
Calcium (total)* 8-11 mg/dL  
Carbon Dioxide* 31-34 mEq/L  
Carbon Monoxide symptoms at >10% Saturation  
Chloride (Cl-)* 96-112 mEq/L  
Creatine 0.2-0.6 mg/dL (M) 0.6-1 mg/dL (F)
Creatinine* 0.6-1.5 mg/dL  
Ethanol 0 mg%; Coma >400-500 mg%  
Folic Acid 2.0-21 ng/mL  
Glucose* 70-110 mg/dL (diuresis >180 mg/dL)
HDL 25-65 mg/dL (M) 38-94  mg/dL (F)
Iron 52-169 mg/dL  
Iron Binding Capacity 246-455 mg/dL  
Lactic Acid 0.4-2.3 mEq/L  
Lactate 0.3 - 2.3 mEq/L  
Lipase* 10-140 U/L  
Magnesium* 1.5-2.5 mg/dL  
Osmolarity* 276-295 mOsm/kg  
Parathyroid Hormone 12-68 pg/mL  
Phosphorus 2.2 - 4.8 mg/dL  
Potassium (K+)* 3.5-5.5 mEq/L  
Protein (total) 6.0-9.0 gm/dL  
SGPT 8-32 U/L  
Sodium* 135-148 mEq/L  
T3 0.8-1.1 mg/dL  
Thyroglobin <55 ng/mL  
Thyroxine (T4)total 5-13 mg/dL  
Total Protein 5-9 gm/dL  
TSH < 9 mU/mL  
Urea Nitrogen 8-25 mg/dL  
Uric Acid 3.5-7.7 mg/dL (M) 2.5-6.6 mg/dL

Lipid Panel

Cholesterol (total) <200 mg/dL  
Cholesterol (HDL) 35-75 mg/dL  
Cholesterol (LDL) <130mg/dL  
Triglycerides >40-170mg/dL(M) >35-135mg/dL (F)

Urine

Color Straw
Specific Gravity 1.003 - 1.040
pH 4.6-8.0
Na 10-40 mEq/L
K < 8 mEq/L
Cl < 8 mEq/L
Protein  1-15 mg/dL
Osmolality 80 - 1300 mOsm/L

24 hour Urine

Amylase 250-1100 IU/24hr
Calcium  100-250 mg/24hr
Creatinine 1-2 g/24hr
Creatine Clearance 100-140mL/min (M)
16-26 mg/kg/24hr (M)
  80-130 mL/min (F)
10-20 mg/kg/min (F)
Magnesium 6-9 mEq/24hr
Osmalality 450-900 mOsm/kg
Phosphorus 0.9-1.3 g/24hr
Potassium (K+) 35-85 mEq/24hr
Protein 0-150 mg/24hr
Sodium 30-280 mEq/24hr
Urea Nitrogen 10-22 gm/24hr
Uric Acid 240-755 mg/24hr

Coagulation

* Denotes lab values to memorize

ACT 90-130 Seconds  
APTT 21-35 Seconds  
Platelets 14000-450000/ml  
Plasminogen 62-130%  
PT* 10-14 Seconds  
PTT* 32-45 Seconds  
FSP <10 mg/dL  
Fibrinogen 160 - 450 mg/dL  
Bleeding Time 3-7 minutes  
Thrombin Time 11-15 seconds  
INR (International Noramalized Ration) * 2.0 - 3.0 INR = PT/mean normal PT

Cerebral Spinal Fluid

Appearance clear
Glucose 40-85 mg/dL
Osmolality 290-298 mOsm/L
Pressure 70-180 mm/H2O
Protein 15-45 mg/dL
Total Cell Count 0-5 cells
WBCs 0-6/mL

Drug Levels

Acetamnophen 5-20 mg/L
Amiodarone 0.5 - 2 mg/L
Digoxin 0.5 - 2 mg/mL
Lidocaine 1.5 - 5 mg/L
Lithium 0.6 - 1.2 mmol/L
Phenobarbitol 15-40 mg/L
Phenytoin 10-20 mg/L
Procainamide 4-10 mg/L
Quinidine 2.5-5 mg/L
Salicylate 15-30 mg/dL
Tegretol 8-12 mg/mL
Theophylline 10-20 mg/L

Antibiotics

Antibiotic Trough Peak
Amikacin <10mg/L 20-40 mg/L
Chloramphenicol 5-10 mg/L 10-25 mg/L
Gentamycin <2mg/L 4-10 mg/L
Netilmicin <2mg/L 4-10 mg/L
Tobramycin <2mg/L 4-10 mg/L
Vancomycin <10 mg/L 20-40 mg/L

Hemodynamic Parameters

* Denotes lab values to memorize

Hemodynamic Parameters Formula Normal  Range
Cardiac Index (CI)* CO/BSA 2.5-4.2 L/min/m2
Cardiac Output* HR*SV 4-8 LPM
Left Ventricular Stroke Work Index (LVSWI) ((MAP-PAD)/CL)*0.136 40-70 g/m2/beat
Mean Arterial Pressure (MAP)* (SBP + (DBPX2))/3 70-105 mmHg
Pulmonary Vascular Resistance (PVR) ((PAM-PAWP)X80)/CI 155-255 dynes/sec/cm-5
Pulmonary Vascular Resistance Index (PVRI) ((PAM-PAWP)X80)/CI 255-285 dynes/sec/cm-5
Right Ventricular Stroke Index (((PAD-CVP)*SV)/CI)*0.0136 7-12 g/m2/beat
Stroke Volume(SV) (CO*1000)HR 60-100 mL/beat
Stroke Volume Index (SVI) SV/BSA 48-85 mL/m2/beat
Systemic Vascular Resistance (SVR) (MAP-CVP)/(RAP*80)/C0 900-1600 dynes/sec/cm-5
Systemic Vascular Resistance Index (MAP-CVP)/(RAP*80)/CI 1970 - 2390 dynes/sec/cm-5

Hemodynamic Values

* Denotes lab values to memorize

Systolic Arterial Pressure 90-140 mm Hg
Diastolilc Arterial Pressure 60-90 mm Hg
Central Venous Pressure (CVP)/RA* 2-6 mm Hg; 2.5-12 cm H2O
Ejection Fraction (EF)* 60-75%
Left Atrial Pressure (LAP) 4-12 mm Hg
Pulmonary Artery Systolic (PAS) 15-30 mm Hg
Pulmonary Artery Diastolic 5-15 mm Hg
Pulmonary Artery Pressure 10-20 mm Hg
Pulmonary Artery Wedge Pressure 4-12 mm Hg
Pulmnary Artery End Diastolic Pressure (PAEDP) 8-10 mm Hg
Right Atrial Pressure (RAP) 4-6 mm Hg
Right Ventricular End Diastolic Pressure (RVEDP) 0-8 mm Hg

Neurological Values

* Denotes lab values to memorize

Cerebral Perfusion Pressure (CPP)* (MAP-ICP)
Intracranial Pressure (ICP)* 5-15 mm Hg or 5 - 10 cm H2O

Normal Arterial Values

pH PaCO2 HCO3- O2 Sat PaO2 BE
7.35-7.45 35-45 mm Hg 22 - 26 mEq/L 96-100% 85-100 mmHg -2 to +2 mmol/L'

Normal Venous Values

pH PaCO2 HCO3- O2 Sat PaO2 BE
7.31-7.41 41-51 mm Hg 22-29 mEq/L 60-85% 30-40 mm Hg 0 to +4mmol/L'


Compiled and Reviewed by Robert Breese, EMT-P CIC, FP-c