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HelpTest Code 62871102 Glucose 1 Hour Screen
Performing Laboratory
Torrance Memorial Laboratories
Specimen Requirements
Submit only 1 of the following specimens:
Hospital Preferred Specimen Type: Plasma
Container/Tube: Lithium heparin gel
Outreach Preferred Specimen Type: Serum
Container/Tube: Serum gel
Patient instructions during testing:
1. Patient must be fasting.
2. Patient must remain in the test area during the test. Must site quietly.
3. Patient should not chew gum, smoke, or eat.
4. Patient may sip water if thirsty.
5. Tell patient to inform you if they feel week, dizzy, or have symptoms such as malaise or sweating.
Protocol Instructions
1. DO NOT draw fasting sample unless specifically ordered by the MD. Order fasting glucose if ordered.
2. Give 50 gram loading dose (Glucola) to patient to drink.
3. Draw sample 1 hour from when the patient finished drinking the Glucola.
Specimen Transport Temperature
Ambient
Storage Temperature Stability
Room Temperature (preferred): 24 hours
Refrigerated: 24 hours
Methodology
Spectrophotometry
Reference Range
Interpretive Guidelines: Glucose 1 Hour Screen
Glucose screen values ≥ 135 mg/dL constitutes a positive screen. Positive screens should be followed by a diagnostic 3 hour OGTT.
Day(s) Test Set Up/TAT
Outpatient:
Performed Monday through Friday only. Prefer to begin before 9:00 am.
Inpatient:
Contact lab
TAT:
Results available same day.
Aliases
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CPT Code
82950