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Test Code MISC1WARDEDNARA Pseudocholinesterase, Dibucaine Inhibition

Department

SEND OUTS

Reference Lab Test Number

DNARA

Refer To

Warde Medical Laboratory

Primary Collection Container

Gold (SST)

Alternate Collection Container

Lavender 6 mL (K3EDTA)

Transport

Serum or plasma refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Allow sample to clot completely at room temperature. Separate serum or plasma from cells within 2 hours. Send 1.0 mL serum or plasma in a screw capped plastic vial.

Stability

Ambient: 4 hours

Refrigerated: 7 days

Frozen: 3 months

Minimum Testing Volume

0.25mL

Reference Range

Pseudocholinesterase: 2900-7100 U/L

Dibucaine # and Phenotype: Interpretive Report

Methodology

Quantitative Enzymatic Assay

Performed

Monday – Friday

Reported

4-8 days

CPT Codes

82638, 82480

Unacceptable Conditions

Light blue (sodium citrate), gray (oxalate/fluoride) whole blood

Collection Requirements

Sample must be drawn prior to surgery or more than two days following

surgery. Do not draw in recovery room.