Specimen:
Collect
- One Gray Top (2HR)
Also Acceptable:
- One SST (2HR)
Submit
- 4 mL (Min:1 mL) Whole blood in Gray Top (2HR). Submit Refrigerated.
Also Acceptable:
- 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.
- 1 mL (Min:0.5 mL) Serum in SST (2HR). Submit Refrigerated.
Special Handling
- With patient fasting, give 75 gm glucola (or 2 hours post meal). At 2 hour draw "2 HR" post sample.
Label tube "2 HR".
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
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
- 82950
Interpretive Data
Reference Range for Glucose, 2 Hour Post Load:
Non-Diabetic <140 mg/dL
Consistent with Pre-Diabetes 140-199 mg/dL
Diagnostic for Diabetes >199 mg/dL
Note: Reference range change as of 01/21/2025.
Components
- 2143 - GLUCOSE 2HPOST
Last Updated: March 20, 2025 @ 9:13 am
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