2226 Insulin Tolerance, 2 Hour

Specimen:

Collect:

Five 7.5 mL SST

Also Acceptable
Five 4 mL Green Top (Li Heparin)

Submit:

Five 1 mL (Min:0.5 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable
Five 1 mL (Min:0.5 mL) Plasma. Submit Refrigerated. Submit in a Standard Transport Tube.

Special Handling:

Allow specimen to clot completely at room temperature
Separate from cells ASAP
Draw fasting specimen, then give 75gm glucola. At 1/2 hour draw "1/2 HR" post sample. At 1 hour draw "1 HR" post sample. At 1 1/2 HR draw "1 1/2 HR" post sample. At 2 hour draw "2 HR" post sample.
Label tubes "Fasting", "1/2 HR", "1 HR", "1 1/2 HR", and "2 HR".
Freeze specimens if delayed more than 48 hours before testing.

Rejection Criteria:

EDTA plasma
Hemolyzed specimens

Stability:

Ambient: Unacceptable; Refrigerated: 2 Day(s); Frozen: 3 Month(s); Incubated: Unacceptable

Methodology:

Colorimetric; Kinetic

Performed:

Mon-Fri

Reported:

1-3 Day(s)

CPT Codes:

83525 X5 - Insulin, Total

Interpretive Data:

Please see report for interpretive data.

Components:

2227 - INSULIN, FASTING	2230 - INSULIN, 30 MIN
2256 - INSULIN, 60 MIN	2257 - INSULIN, 90 MIN
2258 - INSULIN, 120 MIN