Laboratory Test Detail

Last Updated: March 22, 2019 @ 9:13 am

2024

Glucose Tolerance 4 HR

Specimen:Collect:
  • One Gray Top (1HR)
  • One Gray Top (2HR)
  • One Gray Top (3HR)
  • One Gray Top (4HR)
  • One Gray Top (FAST)

Also Acceptable:
  • SST (1HR)
  • SST (2HR)
  • SST (3HR)
  • SST (4HR)
  • SST (FAST)
Submit:
  • Five 4 mL (Min:1 mL) Whole blood in Gray Top. Submit Refrigerated.

Also Acceptable:
  • Five 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.
  • Five 1 mL (Min:0.5 mL) Serum in SST. Submit Refrigerated.
Special Handling:
  • Draw fasting specimen, then administer orally 75gm glucola. At 1 hour draw "1 HR" post sample. At 2 hour draw "2 HR" post sample. At 3 hour draw "3 HR" post sample. At 4 hour draw "4 HR" post sample. Label tubes 'Fasting", "1HR", "2HR", "3HR" and "4HR".

    Other alternative samples:
    Green Top (Li Hep), Lavender EDTA, Pink EDTA, Red Top.
    If using alternative serum or plasma separate from cells ASAP.
    Serum or plasma stability: Ambient 8 hrs, RF 3 days, FZ 1 month
Rejection Criteria:
  • Hemolyzed specimens
  • Microbially Contaminated
  • Unlabled Specimens
Stability:Ambient: 1 Day(s); Refrigerated: 3 Day(s); Frozen: Unacceptable; Incubated: Unacceptable
Methodology:
  • Colorimetric
  • Kinetic
Performed:Mon-Fri
Reported:1-3 Day(s)
CPT Codes:
  • 82951
  • 82952x2
Interpretive Data:Please see report for interpretive data.
Components:
  • 10201 - GLUCOSE, FASTING
  • 10206 - GLUCOSE, 1HR
  • 10202 - GLUCOSE, 2HR
  • 10207 - GLUCOSE, 3HR
  • 10208 - GLUCOSE, 4HR
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