Blood ion reference values

Question 1

Sodium

Answer 1

135-145 mmol

Question 2

Potassium

Answer 2

3.5-5.0 mmol

Question 3

Calcium

Answer 3

2.2-2.8 (total)

Ca - 1.0-1.3 mM free very tightly controlled

• 1.0-1.3 mM protein bound
• 0.2 mM anion complexed.
• total 2.2-2.8 mM

Question 4

Chloride

Answer 4

95-105 mmol

Question 5

Iron

Answer 5

Female 11 - 30 umol

Male 12 - 36 umol

Question 6

Total iron binding capacity (TIBC)

Answer 6

Female 45- 70 umol

Male 50- 80 umol

Question 7

Phosphate

Answer 7

0.8-1.6 mmol