Normal Lab Values
* Reference values only; normal ranges will vary between labs *
Hematology
Hgb ? 13.5-17.5 ? 12.0-16.0 g/dl
Hct ? 39-49% ? 35-45%
RBC’s ? 4.3-5.7 ? 3.8-5.1 ·108/? l
Plt 150-450·103 /? l
WBC 4.5-11.0 ·103 /? l
Neutrophils 57-67%
Segs 54-62%
Bands 3-5%
Lymphocytes 23-33%
Monocytes 3-7%
Eosinophils 1-3%
Basophils 0-1%
ESR ? < 15 ? < 20 mm/hr
Fe ? 65-175 ? 50-170 ? g/dl
Fe Sat ? 20-50 ? 15-50%
FDP <10 ? g/ml
Ferritin ? 20-250 ? 10-120 ng/ml
Fibrinogen 150-350 mg/dl
Haptoglobin 26-185 mg/dl
Hgb A1C 5.0-7.5%
MCH 26-34 pg
MCHC 33-37%
MCV 80-100 fl
PT 10-14 sec
aPTT 20-40 sec
Retics 0.5-1.5%
TIBC 250-400 ? g/dl
Transferrin 200-400 mg/dl
TT 13-20 sec
Chemistries
Na+ 135-145 mEq/l
K+ 3.5-5.3 mEq/l
Cl- 95-105 mEq/l
HCO3- 22-29 mEq/l
BUN 10-26 mg/dl
Creat 0.6-1.3 mg/dl
Glucose 70-115 mg/dl
Anion Gap 7-16 mEq/l
Osmolality 275-300 mOsm/kg
Ca++ total: 8.5-10.5 mg/dl
Ionized: 4.65-5.28 mg/dl
Mg+ 1.3-2.4 mEq/l
Phosphate 2.5-4.5 mg/dl
? FP <10 ng/mol
Albumin 3.5-5.5 g/dl
Immunoglobin: IgA 70-312 mg/dl
IgG 640-1350 mg/dl
IgM 56-350 mg/dl
Lactate 0.5-1.3 mEq/l
Protein (total) 6.0-8.0 g/dl
Uric Acid ? 3.0 - 7.4 ? 2.1 - 6.3 mg/dl
Zn 55-135 ? g/dl
Liver/Pancreas
ALT 0-40 IU/l
Alk Phos ? 38-126 ? 70-230 U/l
Ammonia 10-50 ? mol/l
AST 7-40 IU/l
Bilirubin(total) 0.2 – 1.0 mg/dl
Bilirubin(conj) 0 – 0.2 mg/dl
GGT 0-50 U/l
LDH 90-190 U/l
Amylase 25-125 U/l
C peptide 0.70 – 1.89 ng/ml
Lipase 10-140
>60yo 18-180
Lipids
Tot. Cholest. <200 mg/dl
LDL <130 mg/dl
HDL ? >29 ? > 35 mg/dl
Triglyc. ? 40-160 ? 35-135 mg/dl
Other
CPK ? 38-174 ? 26-140 U/l
CPK MB <5%
Acid Phosphatase <0.8 IU/ml
B12 100-700 pg/ml
CA-125 <35 U/ml
Cu+ ? 70-140 ? 80-155 ? g/dl
Folate 3-15 ng/ml
Pb <10 ? g/dl
PSA <4.0 ng/ml
Zn++ 70-150 ? g/dl
Blood Gasses
Arterial
Venous
PH
7.35-7.45
7.32-7.42
pCO2
35-45
41-51
pO2
80-100
25-40
HCO3
21-27 mEq/l
24-28mEq/l
O2 sat
95-99%
-
Urine
Min Vol. 0.5-1.0 ml/kg/hr
Spec Gravity 1.015-1.030
Osmol. 600-1400 mOsm/kg
Creatinine ? 14-26 ? 11-20 mg/kg/day
Cr Clearance ? 100-150 ? 90-140 ml/min
* rough estimate only, varies with BMI
Urea Nitrogen 12-20 g/day
Ca++ 100-300 mg/day
K+ 25-125 mEq/day
Na+ 40-220 mEz/day
PO4- 0.4-1.3 g/day
Uric acid 250-750 mg/day
Albumin 10-100 mg/day
Amylase 1-17 U/hr
Glucose <0.5 g/day
Protein 10-100 mg/day
CSF
Pressure 60-180 mmH2O
WBC 0-5 /? l
Protein 15-45 mg/dl
Glucose 40-80 mg/dl
Synovial Fluid
WBC <200 /? l
Trauma, OA, SLE <3000 /? l
Gout, RA >4,000 /? l
Septic >60,000 /? l
Protein <3.0 g/dl
Glucose >50 mg/dl
Uric Acid <8.0 mg/dl
LDH < Serum LDH
Endocrine
Aldosterone 3-10 ng/dl (Supine), 5-30 upright
Cortisol: 0800h 6-23, 1600h 3-15 ? g/dl,
2200h ? 50% of 0800 value
Gastrin <100 pg/ml
GH ? < 2 ng/ml ? < 10 ng/ml
>60yo ? < 10 ng/ml ? < 14 ng/ml
Estrogen: follicular 60-200, luteal 160-400, menopausal, ? 130 pg/ml
FSH: follicular 1-9, ovulation 6-26, luteal 1-9, menopausal 30-118 mU/ml
LH: follicular 1-12, midcycle 16-104, luteal 1-12, menopausal 16-66 mU/ml
Progesterone: follicular 0.15-0.7,
luteal 2.0-25 ng/ml
Prolactin <20 ng/ml
PTH 10-65 pg/ml
Sperm 20-200 million/ml
Testosterone(?) free 52-280 pg/ml,
Total 300-1000 ng/dl t3 uptake 0.82-1.18 t3 total 100-200 ng/dl
T4 total 5.0-12.0 ? g/dl
free 0.3-2.3 ng/dl
TBG 16-34 ? g/dl
TSH <10 ? U/ml,
>60yo ? 2-7.3 ? 2-16.8 ? U/ml
Toxic Levels
Acetominophen >200 ? g/ml
CO Hgb >20%
EtOH (mg/dl in a non-alcoholic patient)
>100 – intoxicated
>200 – lethargic
>300 – coma
>500 – resp. depression, death
Ethylene Glycol >20 mg/dl
Lead >100 ? g/dl
MeOH >200 mg/l
Salicylate >300 ? g/ml
Differential Of Cerebral Spinal Fluid
Color
Opening Pressure
(mmH2O)
GLUCOSE
(mg/100 mL)
CELLS
(#/mm3)
PROTEIN
(mg/100 mL)
Adult (nl)
clear
70-180
45-80
0-5 lymphs
15-45
Newborn
clear
70-180
2/3 serum
40-60 lymphs
20-120
Viral infx
clear/cloudy
N1/?
1
10-500 lymphs
N1/?
Bacterial infx
cloudy
?
dcr
25-10,000 PMN’s
?
TB/fungal
clear/cloudy
?
dcr
10-500 lymphs
?
Subarachnoid
Hemorrhage
bloody
?
N1
WBC/RBC ratio same as serum
?
Differential Of Ascitic Or Pleural Fluid
TRANSUDATE
EXUDATE
Specific gravity
<1.016
>1.016
Protein (ratio of sample to serum)
<0.5
>0.5
LDH (ratio of sample to serum)
<0.6
>0.6
GRAM STAINS AND ORGANISMS
GRAM+ COCCI
Clusters:
Chains:
Coagulase+ = Staph aureus
Streptococcus
Coagulase- =S epidermidis
GRAM+ RODS Clostridium, Corynebacterium, Listeria, Bacillus sp.
GRAM-DIPLOCOCCI Neisseria sp.
GRAM- COCCOID RODS Haemophilus sp.
GRAM-RODS E. Coli, Salmonella, Shigella, Proteus, Enterobacter, Klebsiella, Serratia, Pseudomonas, etc.
Differential Of Microcytic Anemia
Disease process
Ferritin
Serum Fe
TIBC
RDW
Iron deficiency
?
?
?
?
Chronic disease
Nl/?
?
?
Nl
Sideroblastic anemia
Nl/?
Nl/
Nl/?
Nl/
Thalassemia
Nl/?
Nl/?
Nl/?
Nl/?
http://www.student.med.umn.edu/ward...normallabs.html
GH ? < 2 ng/ml ? < 10 ng/ml
Since now we know what normal GH levels are for men. How does this translate into IU? If it does?
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Normal Lab Values