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Lactose Tolerance Test, Plasma or Serum
MessageTest Code
3954444
CPT Codes
82951-3 Specimens; 82952-Each additional specimen
Preferred Specimen
Submit only 1 of the following specimens:
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Fasting
1. After fasting specimen is drawn, patient is given a preparation of lactose.
2. A green-top (heparin) tube is drawn for each specimen: fasting, 15 minutes, 1/2 hour, 1 hour, 1 1/2 hours, 2 hours, and 3 hours.
Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma and time of draw).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Fasting
1. After fasting specimen is drawn, patient is given a preparation of lactose.
2. A serum gel tube is drawn for each specimen: fasting, 15 minutes, 1/2 hour, 1 hour, 1 1/2 hours, 2 hours, and 3 hours.
Note: 1. Indicate serum. 2. Label specimen appropriately (serum and time of draw).
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Fasting
1. After fasting specimen is drawn, patient is given a preparation of lactose.
2. A green-top (heparin) tube is drawn for each specimen: fasting, 15 minutes, 1/2 hour, 1 hour, 1 1/2 hours, 2 hours, and 3 hours.
Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma and time of draw).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Fasting
1. After fasting specimen is drawn, patient is given a preparation of lactose.
2. A serum gel tube is drawn for each specimen: fasting, 15 minutes, 1/2 hour, 1 hour, 1 1/2 hours, 2 hours, and 3 hours.
Note: 1. Indicate serum. 2. Label specimen appropriately (serum and time of draw).
Instructions
Call CoxHealth Laboratories at 417-269-7820 to schedule test.
Transport Temperature
Ambient
Methodology
Spectrophotometric/Hexokinase
Setup Schedule
Monday through Friday
Reference Range
The results should parallel those of a glucose tolerance test. An increase of blood glucose >20 mg/dL is considered normal.
Clinical Significance
Useful for detecting hypoxia or lactic acidosis.
Performed By
CoxHealth
