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Test Code LAB10800 Pseudocholinesterase

Department

SEND OUTS

Reference Lab Test Number

PSE

Collection Requirements

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

Do not draw in recovery room.

Refer To

Warde Lab

Primary Collection Container

Gold (SST)

Alternate Collection Container

Lavender 4 mL (K3EDTA)

Green PST (Lithium Heparin)

Transport

Serum or plasma refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Allow sample to clot completely at room temperature. Separate serum from cells within 2 hours of collection. Send 0.5 mL serum in a screw-capped plastic vial.

Stability

Ambient: 4 hours

Refrigerated: 7 days

Frozen: 3 months

Minimum Testing Volume

0.1 mL

Reference Range

2,900-7,100 U/L

Methodology

Enzymatic

Performed

Monday – Friday

Reported

3-6 days

CPT Codes

82480

Unacceptable Conditions

Hemolyzed specimens.

Additional Information

Plasma values slightly lower than serum.