Protein

Label Mnemonic:	CSF-Prot
Epic code:	LAB118
Order form:	Laboratory Requisition
Supply order:	Supply Order Form
Billing:	Billing Policies
CPT code:	84157

Specimen(s):

CSF or Body Fluid

Collection Medium:

CSF collection kit

Alternate Collection Media:

Call laboratory for additional acceptable specimen collection containers.

Minimum:

1 mL

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Turn Around Time:

1 hour (upon receipt in laboratory)

Reference Range:

15-45 mg/dL (CSF)

Test Limitations:

Criterion: recovery plus or minus 10% of initial values.

Icterus: No significant interference up to an I index of 45 
(approximate conjugated and unconjugated bilirubin concentration: 45 
mg/dL).

Hemolysis: No significant interference up to an H index of 50.

No significant interference from:
Ascorbic Acid    Creatinine       Glucose
Phosphorus       Urea             Magnesium
Sodium Citrate   Caffeine         Cefazolin Sodium
Chlorpromazine   Calcium          L-Dopa Gentamicin
Sulfate          Sodium Oxalate   Uric Acid

Methodology:

Turbidimetric

Sample Processing:

Label container with appropriate fluid type.
Submit in leak-proof container.

Sample Storage:

Refrigerate.

Transport Instructions:

Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place completed requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.

CPT Code:

84157