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Test Code GEST Glucose, 1 Hour Gestational, Plasma or Serum

Additional Codes

Ordering Mnemonic
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