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Test ID BLOD0560 LACTOSE TOLERANCE TEST

Specimen Type/Requirements

Draw one green-top tube (Lithium-Heparin) or one green-top microtainer for each timed specimen.

1. The test is performed in the morning in a fasting state. Patients may drink water.
2. Prepare the appropriate dose of LacTest.
A. Adult: 50 gm test
1) Add contents of 2 packages of LacTest to 250 mL of water.
2) Mix thoroughly.
B. 1g/kg test – Use for individuals less than 110 pounds or if the order specifies by 1g/kg.

Minimum Volume

100 uL plasma

Transport Temperature

Refrigerated.

Performed Test Frequency

Daily.

Methodology

Glucose method – enzymatic

CPT

82951

Storage On Site

Refrigerate.

Performing Lab

Sanford Fargo