| Field Name |
Data Description |
| Test Name |
Lactose Tolerance Test (Lactose Consumption Test) |
| Code |
LACTOL |
|
CPT Code |
82951 |
| Last Modified |
4/22/2014 |
| Test Name |
LACTOSE TOLERANCE (3084) |
| Synonyms |
|
| Patient Preparation |
12 hour fast and remain fasting until test is complete |
| Spec. Requirements |
Blood |
| Tube |
Lt. Green or Gold |
| Collection Volume |
3.0 mL Lt Green or 3.5 mL Gold |
| Storage |
Ambient - 8 hours after centrifugation. |
| Routine TAT |
2 hours |
| STAT TAT |
|
| Days Test Performed |
Daily |
| Performed by BHS |
All Hospitals |
| See Availability |
7 - 3 Shift |
| Reference Lab |
N/A |
| Reference Lab Code |
|
| Clinical Use |
Used to evaluate lactose deficiency. |
| Reference Range |
A peak rise of greater than or equal to 30 mg/dL in the blood glucose signifies normal activity.
A peak rise between 20 - 29 mg/dl in the blood glucose is inconclusive.
A peak rise of <20 mg/dl in the blood glucose strongly suggests lactose deficiency |
| Critical Value |
|
|
Component |
Lactose |
|
Reference Range |
A peak rise of greater than or equal to 30 mg/dl in the blood glucose signifies normal activity.
A peak rise between 20 - 29 mg/dl in the blood glucose is inconclusive.
A peak rise of <20 mg/dl in the blood glucose strongly suggests lactose deficiency. |
|
Critical Value |
|
 |
|
| Testing Sample Type |
Plasma or Serum |
| Min Lab Testing Volume |
0.5 mL |
| Special Handling |
|
| Lab Notes |
Draw fasting specimen before administration of lactose. Draw glucose specimens 15 minutes, 30 minutes, 45 minutes, 60 minutes, 90 minutes, and 120 minutes after ingestion of lactose. |
| Methodology |
Glucose Oxidase O2 Electrode |
| Limitations |
|
