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Test Code LAB4073 TOTAL PROTEIN, CSF

Important Note

Traditionally ran off CSF tube #2. Provider must specify tube number to by anaylzed. Sample must be walked to the laboratory. Do not use tube system.

Specimen Type

CSF sterile plastic tube

Specimen Volume

1 mL

Minimum Volume

1 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Room Temp: 24 hours
Refrigerated: 6 days
Frozen: >1 year

Specimen Processing

Separate fluid from cells immediately and transfer to a standard aliquot tube.

Method

Colorimetric

Reference Ranges

Age Range
0 up to 15 days 56 - 102 mg/dL
15 up to 28 days 49 - 89 mg/dL
28 up to 43 days 41 - 75 mg/dL
43 up to 57 days 36 - 70 mg/dL
57 days up to 18 years 5 - 40 mg/dL
18 years and older 15 - 45 mg/dL

 

Test Components

Total Protein, CSF, mg/dL

CPT Codes

84157

Test Limitations

Process immediately to avoid falsely low results