Sodium, CSF (Sendout)

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General Information

Lab Name
Lab Code
1113
External Test Id
0020154
Description

Useful For: Measuring sodium levels in CSF. Clinical indications are not well defined.ยน

Ordering Note: If provider requests electrolytes on CSF, order this test along with Chloride, CSF and Potassium, CSF.

References
  1. ARUP Resource: Body Fluid Reference Intervals and/or Interpretive Information for Select Analytes
Synonyms
0020154, CSF Electrolytes, Na
Components

Interpretation

Method

Quantitative Ion-Selective Electrode

Reference Range
Ref. Range Notes
Reference Interval: 136-150 mmol/L
References
  1. ARUP Resource: Body Fluid Reference Intervals and/or Interpretive Information for Select Analytes

Ordering & Collection

Specimen Type
CSF
Collection

Collect 1 mL CSF

Handling Instructions

Outside Laboratories: Centrifuge to remove cellular material. Transfer 1 mL supernatant to a separate aliquot. Refrigerate sample while awaiting shipment; transport with a cold pack.

Stability: Refrigerated (preferred): 2 weeks; Frozen: 6 months; Ambient: 2 weeks.

Unacceptable Conditions: Specimen types other than those listed. Specimens too viscous to be aspirated by instrument.

Quantity
Requested: 1 mL CSF
Minimum: 0.2 mL CSF

Processing

Receiving Instructions

Centrifuge to remove cellular material. Transfer 1 mL supernatant to a separate aliquot. Refrigerate CSF.

Sendouts:

  • Order ARUP Test: 0020154
  • Interfaced: Yes [Interface: 602; Department: ARPR]

Stability: Refrigerated (preferred): 2 weeks; Frozen: 6 months; Ambient: 2 weeks.

Unacceptable Conditions: Specimen types other than those listed. Specimens too viscous to be aspirated by instrument.

Misc Sendout

Performance

Lab Department
Frequency
Performed: Sunday through Saturday. Reported: 1 day from sample receipt at ARUP Laboratories.
Available STAT?
No
Performing Location(s)
Sendout ARUP Laboratories, Inc.
800-522-2787

500 Chipeta Way
Salt Lake City, UT 84108

Billing & Coding

Billing Comments

CPT: 84302