Normal Ranges for Common Laboratory Tests

Common Laboratory Test Ranges

TESTRANGE
Calcium 
< 2 months7.6 - 12.4 mg/dL
>2 months9.1 - 11.2​ mg/dL
Chloride
 
1 d - 1 mo91 - 118 mmol/L
1 mo - adult99 - 108 mmol/L
CO2, Total 
1 d - 1 y13 - 22 mmol/L
1 y - 15 y20 - 28 mmol/L
15 y - adult22 - 29 mmol/L
Creatinine 
male0.75 - 1.20 mg/dL
female0.65 - 1.00 mg/dL
Glucose 
fasting60 - 99 mg/dL
nonfasting60 - 200 mg/dL
Potassium 
1 d - 1 mo4.0 - 6.0 mmol/L
1 mo - adult3.4 - 5.3 mmol/L
Sodium137.- 147 mmol/L
Urea Nitrogen (BUN) 
1 d - 1 mo4 - 12 mg/dL
1 mo - 15 y5 - 18 mg/dL
15 y - adult8 - 21 mg/dL

TESTRANGE
pH 
1 d - 1 moNone
1 mo - adult7.35 - 7.45
pCO2 
1 d - 1 moNone
1 mo - adult male35 - 48 mm Hg
1 mo - adult female32 - 45 mm Hg
pO2 
1 d - 1 moNone
1 mo - adult83 - 108 mm Hg
Bicarbonate 
1 - 2 d17.2 - 23.6 mmol/L
2 d - 2 mo19.0 - 23.9 mmol/L
2 mo - 2 y16.3 - 23.9 mmol/L
2 y - adult18.0 - 23.0 mmol/L
CO219.0 - 24.0 mmol/L
O2 Saturation 
1 - 2 d40% - 90%
2 d - adult95% - 98%
TESTRANGE
pH 
1 d - 1 moNone
1 mo - adult7.33 - 7.43
pCO2 
1 d - 1 moNone
1 mo - adult male41 - 54 mm Hg
1 mo - adult female38 - 51 mm Hg
pO2 
1 d - 1 moNone
1 mo - adult25 - 29 mm Hg
Bicarbonate22 - 29 mmol/L
CO222.0 - 26.0 mmol/L
O2 Saturation60% - 85%


 

TESTRANGE
Albumin 
0 - 3 y2.9 - 5.5 g/dL
3 y - adult3.5 - 5.0 g/dL
Alkaline Phosphatase 
1 d - 15 y80 - 250 units/L
15 y - adult30 - 125 units/L
ALT (SGPT)0 - 40 units/L
AST (SGOT)3 - 44 units/L
Bilirubin, total 
1 d - 1 mo0.6 - 11.1 mg/dL
1 mo - adult0.2 - 1.3 mg/dL
Calcium 
1 d - 1 mo7.3 - 11.9 mg/dL
1 mo - adult8.7 - 10.7 mg/dL
Carbon dioxide 
1 d - 1 y13 - 22 mmol/L
1 y - 15 y20 - 28 mmol/L
15 y - adult22 - 29 mmol/L
Chloride 
1 d - 1 mo91 - 118 mmol/L
1 mo - adult99 - 108 mmol/L
Creatinine 
male0.75 - 1.20 mg/dL
female0.65 - 1.00 mg/dL
Glucose 
fasting60 - 99 mg/dL
nonfasting60 - 200 mg/dL
Potassium 
1 d - 1 mo4.0 - 6.0 mmol/L
1 mo - adult3.4 - 5.3 mmol/L
Protein, total 
1 d - 1 mo5.3 - 8.9 g/dL
1 mo - 8 y5.6 - 8.5 g/dL
8y - adult6.0 - 8.2 g/dL
Sodium137 - 147 mmol/L
Urea Nitrogen (BUN) 
1 d - 1 mo4 - 12 mg/dL
1 mo - 15 y5 - 18 mg/dL
15 y - adult8 - 21 mg/dL

TESTMALE
(MG/dL)
FEMALE
(MG/dL)
Cholestrol  
recommended<200<200
moderate risk200 - 239200 - 239
high risk>239>239
HDL cholesterol  
major risk factor<40<40
negative risk factor>59>59
LDL cholesterol  
recommended<130<130
moderate risk130 - 159130 - 159
high risk>159>159
Triglyceride  
recommended30 - 14930 - 149
TSH0.350 - 4.940 µIU/mL​
Total T4, adult​4.9-11.7:mg/dL​
Free T40.7-1.5 ng/dL​
Total T30.6-1.6 ng/mL​
Free T31.7-3.7 pg/mL
COMPLETE BLOOD COUNT

Age

WBC

th/uL

RBC

mil/uL

Hgb

(g/dL)

Hct

(%)

MCV

(fl)

MCH

(pg)

MCHC

(gm/dL)

PLATELETS (x103/mm3)RDW (%)
Adult4.0-10.0

M: 4.50-5.90

F: 4.00-5.20

M: 13.5-17.5

F: 12.0-16.0

M: 42-54

F: 37-47

82-10326-3430-37150-39911.5-14.5
0-3 days8-384.00-6.6014.5-22.546-6897-12431-3728-37150-39911.5-14.5
4-7 days6-173.90-6.3013.5-21.543-6790-12928-4027-38150-39911.5-14.5
8-14 days5-163.60-6.2012.5-20.540-6488-12728-4027-38150-39911.5-14.5
15-30 days5-153.00-5.4010.0-18.032-5687-12628-4028-37150-39911.5-14.5
30-90 days5-152.70-4.909.0-14.029-4379-11726-3428-37150-39911.5-14.5
3-6 mos.5-153.10-4.509.5-13.530-4276-11125-3529-36150-39911.5-14.5
6 mos. - 2 yrs.5-153.70-5.3011.0-13.034-4072-8923-3129-36150-39911.5-14.5
2-6 yrs.5-133.90-5.3011.5-13.535-4177-9024-3030-37150-39911.5-14.5
6-12 yrs.5-124.00-5.2011.5-15.536-4679-9825-3330-37150-39911.5-14.5
Automated Differential
AGENeutrophilsIGLymphocytesMonocytesEosinophilsBasophils
th/uL(%)th/uL(%)th/uL(%)th/uL(%)th/uL(%)th/uL(%)
Adult1.84-7.846-780.0-0.150.0-1.50.720-5.20018-520.120-1.0003-10.000-0.6000-60-0.3000-3
Newborn3.76-23.9447-630.0-0.150.0-1.52.5-14.0632-370.240-3.8003-100.016-3.8000.2-100.-1.1400-3
2 wks-4 yrs.1.1-6.022-400.0-0.150.0-1.52.5-10.9550-730.150-1.5003-100-0.9000-60-0.4500-3
10 yrs.1.55-6.8931-530.0-0.150.0-1.52.0-7.840-600.150-1.3003-100-0.7800-60-0.3900-3
11-17 yrs.2.05-8.0441-670.0-0.150.0-1.51.35-5.8527-580.150-1.2003-100-0.7200-60-0.3600-3

 

Microscopic Differential

AGESegmented NeutrophilsBand NeutrophilsMeta-myelocytesMyelo-cytgesPro-myelocytesLympho-cytesMono-cytesEosino-philsBaso-philsBlast
(%)(%)   (%)(%)(%)(%) 
Adult36-720-600018-523-100-60-30
Newborn47-570-600032-373-100.2-100-30
2 wks-4 yrs.22-340-600050-733-100-60-30
5-10 yrs.31-470-600040-603-100-60-30
11-17 yrs.41-610-600027-583-100-60-30
 
 
 
 
 
 
 


 

TESTRANGE
Amylase25 - 100 units/L
Bilirubin, direct 
0 - 1 mo.0.0 - 0.6 mg/dL
1 mo. - Adult0.0 - 0.35 mg/dL
C-Reactive Protein0 - 8 ug/mL
Creatine Kinase10 - 205 units/L
GGT 
male12 - 64 units/L
female9 - 36 units/L
HEMOGLOBIN A1C3.9-6.2%
LDH110 - 240 units/L
Lipase10 - 52 units/L
Magnesium1.6 - 2.7 mg/dL
Phosphorus 
1 d - 1 y4.0 - 7.0 mg/dL
1 y - 15 y4.5 - 6.5 mg/dL
15 y - adult​2.5 - 4.6 mg/dL​
 

 

QUANTITATIVE hCG, SERUM 
Nonpregnant females0 - 4 mIU/mL

 
Trop0.00 - 0.09 ng/mL
Uric Acid 
male3.5 - 7.7 mg/dL
female2.6 - 6.8 mg/dL

0 - 15 y

 

Ionized Calcium

  

Lactic Acid

2.0 - 5.5 mg/dL

 

 0.95 - 1.32 mmol/L (Venous & Arterial)

 

0.5 - 1.7 mmol/L (Venous)

0.4 - 1.3 mmol/L (Arterial)

 

  

URINALYSIS STANDARD EXAM
(ROUTINE URINALYSIS) 

Specific Gravity1.002 - 1.030Leukocyte esterasenegative
pH5 -8RBCs0 - 5/hpf
ProteinnegativeWBCs0 - 5/hpf
BilirubinnegativeBacterianegative on spun specimen
Urobilinogen0.2 - 1 EU/dLCasts0 - 4 hyaline casts/lpf
GlucosenegativeCrystalsinterpreted by physican
KetonesnegativeSQEP<5/lpf
Occult bloodnegative 

 

COAGULATION TESTS

PROTHROMBIN TIME
9.5 - 13.2 secs

PT INR
0.83 - 1.23
ACTIVATED PARTIAL THROMBOPLASTIN TIME
23 - 33 seconds
FIBRINOGEN
190 - 395 mg/dL
 
THROMBIN TIME
14.9 - 19.8 secs

D-DIMER:
0.00 - 0.60 mg/L