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HelpTest Code GLU GLUCOSE
Performing Laboratory
Helen Keller Laboratory
Specimen Container:
Green Top Lithium Heparin Tube
Specimen Requirements
Preferred: Lithium heparin plasma
Acceptable: Serum
Minimum volume: 1 mL (pediatric: 0.2 mL) lithium heparin
plasma or serum.
Specimen Stability Information
3 days refrigerated
Reference Intervals:
0 DAYS – 14 DAYS: 50 – 110 MG/DL
15 DAYS – 17 YEARS: 60 – 110 MG/DL
>17 YEARS: 70 – 110 MG/DL
Day(s) Testing is Performed
Monday through Sunday
CPT Coding:
82947
2 hour glucose tolerance test 82951
Tolerance test > 2 hours 82951 and 82952