reference ranges (chem)

136-145 mmol/L

serum sodium

110-130 mmol/L

renal sodium

3.5-5.0 mmol/L

serum potassium

none

renal potassium

275-295 mOsm/kg

serum osmolality

301-1090 mOsm/kg

urine osmolality

<10-15 mOsm/kg

osmolal gap

6.1

bicarbonate-carbonic acid buffer pKa

7.35-7.45

arterial blood pH

35-45 mmHg

arterial blood pCO2

0.0307 mmol/L per mmHg

conversion factor for arterial blood CO2

20:1

ratio of blood bicarb to carbonic acid

22-26 mmol/L

arterial blood bicarbonate concentration

23-27 mmol/L

total arterial blood CO2

80-110 mmHg

arterial blood pO2

>95%

arterial SO2

>95%

arterial O2Hb

10-20 mmol/L

anion gap

20 mmol/L

arterial blood pCO2 in concentration units

60-150 nmol/L

plasma T4

1.0-2.9 nmol/L

plasma T3

12-22 pmol/L

plasma fT4

3.9-6.7 pmol/L

plasma fT3

15-65 pg/mL

serum PTH