Hematology Reference Ranges

Question 1

RBC

Answer 1

Male: 4.30 - 6.00 x 10^12/L
Female: 3.80 - 5.20 x 10^12/L

Question 2

Hgb

Answer 2

Male: 130-170 g/L
Female: 120-160 g/L

Critical Adult: <70 g/L
Critical <8 days: <80g/L
All Age Critical: >239 g/L

Question 3

PLT

Answer 3

140-450 x 10^9 / L

Inpatient: <10 x 10^9/L
Outpatient: <20 x 10^9/L

**PLT < 100 and 1+ schistocytes present, pathologist notifiable

Question 4

MCV

Answer 4

Adult Male: 78 - 98 fL
Adult Female: 78 - 100 fL

Question 5

MCH

Answer 5

26 - 35 pg

Question 6

Hct

Answer 6

Male: 0.37 - 0.49 L/L
Female: 0.36 - 0.46 L/L

** >0.66 L/L must have comments appended or anticoagulant ratio adjusted for collection

Question 7

MCHC

Answer 7

310 - 360 g/L

Question 8

RDW

Answer 8

< 16%

Question 9

Reticulocytes

Answer 9

Absolute > 6 months: 20 - 90 x 10^9/L

Question 10

WBC

Answer 10

Adults: 4.0 - 11.0 x 10^9 / L

Critical: <0.6 x 10^9 / L or > 99.9 x 10^9/L

Question 11

ESR

Answer 11

Male: 0 - 15 mm/hr
Female: 0 - 20 mm/hr
Pediatric: 0 - 10 mm/hr

Question 12

PT (INR)

Answer 12

Reference INR: 0.8 - 1.2
Therapeutic INR: 2.0 - 3.0
11-13 seconds

Critical: > 5.0 INR

Question 13

PTT

Answer 13

24 - 39 seconds
Critical: > 120 seconds

Question 14

Fibrinogen

Answer 14

2.0 - 4.0 g/L
Critical: < 1.0 g/L

Question 15

D-dimer

Answer 15

< 0.5 mg/L

Question 16

Thrombin Time

Answer 16

12 - 14 seconds

Question 17

Heparin

Answer 17

NA

Question 18

Factor VIII

Answer 18

0.5 - 1.5 U/mL