Test Code 18131 Lactose Tolerance Test
Purpose
Lactose tolerance tests measure your body's ability to break down lactose.
Performing Laboratory
Copley Hospital
Methodology
Colorimetric Absorbance
Specimen Requirements
Patient Preparation:
1. Patient must be fasting.
2. Patient’s weight is required for calculation of lactose solution.
Specimen Type: Blood (Plasma or Serum)
Preferred: Light-Green Top
Acceptable: Gold Top
Specimen Volume: Full Tube
Specimen Minimum Volume: 2 mL
Collection Instructions:
1. Order lactose solution from the pharmacy.
2. Draw a fasting specimen.
3. Give patient lactose solution.
4. Draw specimens at 15, 30, 60, 90, and 120 minutes
post-ingestion of lactose solution.
5. Label specimen with patient’s full name, date of birth, date &
time of each collection and person collecting.
6. If delay in specimen transport > 1 hour, centrifuge tube.
7. Refrigerate specimen during transport.
Reference Values
An interpretive report will be provided.
Stability
Refrigerated: 7 Days
Day(s) Performed
Daily
Analytical Time: 1 Day
Aliases
Lactose Tolerance Test
Test Classification and CPT Coding
82951 - 3 specimens
82952 × 3 - Each additional