Urine Chemistry lab values

Question 1

Acetone

Answer 1

negative

Question 2

Aldosterone

Answer 2

2-26 mcg/24hr (6-72 nmol/24hr)

Question 3

Bilirubin

Answer 3

negative

Question 4

Chloride- adult/elderly

Answer 4

110-250 mEq/day (110-250 mmol/day)

Question 5

Cortisol- adult/elderly

Answer 5

<276 nmol/day)

Question 6

Creatinine Clearance (Adult <40 yrs)

Answer 6

Male: 107 -39 mL/min
Female: 87-07 mL/min
Values Decrease 6.5 mL/min/decade of life after age 20 yrs with decline in glomerular filtration rate

Question 7

Culture and sensitivity

Answer 7

Negative- < 10000 Bacteria/mL urine

Positive- > 10000 Bacteria/mL urine

Question 8

Glucose-random specimen

24 hour specimen

Answer 8

Negative

<2.78 mmol/day)

Question 9

Osmolality

• 12-14 hr fluid restriction
• random specimen

Answer 9

> 850 mOsm/kg H20

50-1200 mOsm/kg H20 depending of fluid intake

Question 10

pH

Answer 10

4.6-8.0 (average 6.0)

Question 11

Potassium

Answer 11

25-100 mEq/L/day

Question 12

Prealbumin -24 hr

Answer 12

0.017-0.047 mg/day

Question 13

Protein

Answer 13

0-8 mg/dL
50-80 mg/24hr (at rest)
<250 mg/24hr (during exercise)

Question 14

Sodium -24 hr collection

-spot urine

Answer 14

40- 220 mEq/day (40-220 mmol/day)

>20 mEq/L

Question 15

Specific gravity -adult

Elderly

Answer 15

1.005-1.030

values decrease with age

Question 16

uric Acid

Answer 16

250-750 mg/24hr