32750:LACTOSE TOLERANCE
Author PeaceHealth Laboratories
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| Methodology: |
Enzymatic Glucose Oxidase |
| Edit Date: |
7/2/2009 |
| Performed: |
Daily |
| Released: |
Same day as tested |
| CPT Code: |
82951 / 82952 x3 |
| Specimen Collection Details |
| Collection: |
Six glucose specimens total: One 7.5 mL serum separator tube (SST), 4.5 plasma separator tube (PST), or 2 mL grey top tube (potassium oxalate/sodium fluoride) each for fasting, 15 minute, 30 minute, 1 hour, 1.5 hour, and 2 hour post lactose dose. Patient must be fasting. |
| Handling: |
Centrifuge and separate plasma or serum from cells within 2 hours. Clearly indicate on each specimen the draw time and “fasting” or post-glucola dose, and order of each draw, e.g., “2 of 6,” etc. |
| Stability: |
8 hours ambient, 48 hours refrigerated, or indefinitely frozen. |
| Standard Volume: |
1 mL serum or plasma each draw. |
| Minimum Volume: |
0.5 mL serum or plasma each draw. |
| Transport: |
Refrigerated; or if frozen, on dry ice. |
| Comments: |
Patient must be fasting. Lactose dose for adults, infants and children is based on body weight. The lactose is orderable through Client Services and comes pre-packaged with the mixing and dosing instructions. Symptoms displayed by the patient during the procedure should be noted, especially if they have diarrhea. Alternatively, test is administered at any PeaceHealth Laboratories Patient Service Center. |