Proven Diagnostics Test Catalog

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1 HOUR GESTATIONAL GLUCOSE, 50 GM
Test code:
 GLUG
Specimen type:
 Plasma
Tube type / collection container:
Specimen collection notes:
 None.
What to submit:
1 mL aliquot of plasma; minimum 0.2 mL
Patient preparation:
 Specimen collected 1 hour after 50-gram glucose challenge. Fasting not required.
 
Specimen Processing Instructions:
Centrifuge at 1100-2000 g for a minimum of 10 minutes. 1 mL aliquot of plasma.
Transport temperature:
 Refrigerated (preferred). Room temperature also acceptable.
Specimen stability:
 Room temperature: 24 hours (spun or unspun). Refrigerated: 72 hours (spun or unspun).
Rejection criteria:
 Stability limits exceeded.
 
Reference range:
 70-129 mg/dL
Alert limits:
 Glucose below 45, above 500 mg/dL
Additional information:
 Test routinely performed during pregnancy.
CPT code(s):
 82950
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided are based on AMA guidelines and are for informational purposes only.
When performed:
 Daily, Monday - Sunday
Test includes:
 Gestational glucose test 1 hour post 50 gm glucose challenge.
Methodology:
Spectrophotometric (Colorimetric)
Synonyms:
Blood sugar
Clinical Significance:
An elevated value indicates the need for a full diagnostics gestational tolerance performed in the fasting state to determine if the patient has gestational diabetes.