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Mayo Clinic Laboratories

Test Code MISC1WARDEETOHC Ethanol Blood/Serum

Department

SEND OUTS

Reference Lab Test Number

ETOHC

Collection Requirements

Draw blood in a grey sodium fluoride tube. Use non-alcohol swabs during collection. Do not remove cap from collection tube. Send whole blood refrigerated.

Alternate Specimens:

Whole blood: Heparin

Serum: Red-top

Do not remove cap from collection tube and send sample refrigerated.

Refer To

Warde Medical Laboratory

Primary Collection Container

K Oxalate and Na Fluoride – Grey Top

Alternate Collection Container

Green (Sodium Heparin)

Red (No Gel)

Transport

Refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Send whole blood refrigerated.

Stability

Ambient: 48 hours

Refrigerated: 7 days

Frozen: Plasma/Serum/Urine for 30 days

Reference Range

Decision Level: 10 mg/dL

Low toxic: >300 mg/dL

Methodology

Gas Chromatography

Performed

Sunday – Friday

Reported

2 days

CPT Codes

80320 (G0480)

Unacceptable Conditions

Serum separator tube (SST) and any tubes containing gel