Test Code GEST Glucose, 1 Hour Gestational, Plasma or Serum
Additional Codes
Ordering Mnemonic |
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GEST |
Methodology
Hexokinase G-6 PDH
Performing Laboratory
Holland Hospital Laboratory Services
Specimen Requirements
Patient must follow fasting instructions provided by ordering physician.
Typically: Patient should fast at least 4 hours before administering Glucola. Patient is given 50 grams of Glucola for this test which equals 5 oz., or one half of the 10 oz. 100 gram bottle. Patient has 5 minutes to finish drink. Draw 1 hour after patient has finished Glucola.
Submit only 1 of the following specimens:
Plasma
Container/Tube: Mint-top (lithium heparin) tube
Specimen Volume: 1 mL of plasma
Collection Instructions:
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Container/Tube: Serum gel tube
Specimen Volume: 1 mL of serum
Collection Instructions:
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Specimen Transport Temperature
Refrigerate
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82950 (HH Bill Code 0205420)
Reference Values
Not applicable