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Test Code VAL Valproic Acid Level

EHR Test Codes

  Test Code Test Name
Atlas VAL Valproic Acid
Cerner   Valproic Acid Level

Specimen Requirements

Preparation of Patient: 

Collect a specimen representing the trough level just before the next dose

 

Container Type: 

Green Top 5mL Lithium Heparin Separator Tube

Or

 

Gold Top 6mL SST Gel & Clot Activator Tube

Specimen Type:

Plasma or Serum

 

Specimen Volume: 

2.5 mL Plasma or Serum minimum .5 mL

 

Specimen Handling/Transport:

Separate plasma or serum from cells within 2 hours of collection.

Transport ambient room temperature.

 

Specimen Stability/Storage:

1 day refrigerated 2-8°C

Performing Laboratory

Munson Medical Center Laboratories

Chemistry Department

Priority, Frequency, & Turnaround

Priority:

STAT, ASAP, Non-Emergent

 

Frequency:

24 hours 7 days a week

 

Turnaround:

0 - 1 days

STAT 45 minute from receipt in lab

Methodology

EMIT Enzyme immunoassay

Reporting

Reference Range:

50 - 100 ug/mL

 

Critical Decision: 

 ≥ 150 ug/mL

Note:  Critical values are called to the provider and communicated as critical.  Documentation of the call is recorded in the patient record.

Clinical Significance

Valproic acid is a broad-spectrum anticonvulsant drug used solely or in combination with other anticonvulsant drugs for the treatment of absence seizures.

CPT Code(s)

80164