Cerbrospinal fluid reference intervals

TYPICAL REFERENCE INTERVALS

COMPONENT

CONVENTIONAL UNITS

FACTOR

RECOMMENDED SI UNITS

Albumin

<10-30 mg/dL

10

100-300 mg/L

Cell Count

<5 cells/ÁL

106

<5 X 106/L

Glucose

40-80 mg/dL

0.05551

2.8-4.4 mmol/L

Lactate Dehydrogenase

(LDH)

Approximately 10%

-

Activity fraction: approximately 0.1 of serum level

Protein

12-60 mg/dL

10

120-600 mg/L

Protein Electrophoresis

  • Prealbumin

2-7%

0.01

Fraction: 0.2-0.07

  • Albumin

56-76%

0.56-0.76

  • Alpha-1 Globulin

2-7%

0.02-0.07

  • Alpha-2 Globulin

4-12%

0.04-0.12

  • Beta Globulin

8-18%

0.08-0.18

  • Gamma Globulin

3-12%

0.03-0.12

Xanthochromia

Negative

-

Negative