Laboratory Test Results

Question 1

Urinalysis pH range

Answer 1

4.6-6.8

Question 2

red blood count (RBC) normal value

Answer 2

men: 4.6-6.0 million
women: 4.5-5.4 million

Question 3

Hemoglobin (hgb) normal value

Answer 3

adult male: 14-18 g/dl
adult female: 12-15 g/dl
elderly: values are slightly decreased

Question 4

hct normal values

Answer 4

male: 40-54%
female: 35-49%
elderly may be slightly decreased

Question 5

Normal WBC count values

Answer 5

4,500-11,000 or 11,500

Question 6

WBC critical values

Answer 6

30,000

Question 7

platelet count

Answer 7

150,000-450,000/ul

Question 8

sedimentation rate

Answer 8

males: 0-15 mm/hr
females: 0-20 mm/hr

Question 9

fasting blood glucose normal value

Answer 9

65-100 mg/dl

elderly: 80-150 mg/dl

Question 10

a1c normal value

Answer 10

healthy person: 6.5%

Question 11

PTT reference range

Answer 11

5 months and older: 25-35 seconds

therapeutic value: 45-75 seconds

Question 12

PT reference range

Answer 12

normal: 10-14 seconds
Coumadin therapy: 2-3 times normal
critical value: >46 seconds

Question 13

INR Values

Answer 13

Normal values: 1.00-1.30

Desired therapeutic levels: 2.0-3.0 (3-5 days after oral anticoagulation is begun)

Question 14

serum cholesterol value

Answer 14

desirable value: less than 200 mg/dl

moderate to high risk for cardiovascular disease when cholesterol levels are >200 mg/dl

Question 15

HDL reference values

Answer 15

below 35 mg/dl positive risk factor for CHD
above 60 mg/dl negative risk factor for CHD
male >40 mg/dl
female >55 mg/dl

Question 16

LDL reference values

Answer 16

desirable range for adults: 150 mg/dl

Question 17

reference values for serum protein

Answer 17

6. 4-8.3 (ambulatory)

6. 0-7.8 (resting) - during sleep the normal value decreases