2027 Lactose Tolerance, 3 HR

Specimen:

Collect:

Five 7.5 mL SST

Also Acceptable
Five 4 mL Gray Top

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:

Draw fasting specimen, then give 50gm lactose (to be obtained at the pharmacy) in 200-300 mL of water . At 1/2 hour draw "1/2 HR" post sample. At 1 hour draw "1 HR" post sample. At 2 hour draw "2 HR" post sample. At 3 hour draw "3 HR" post sample.
Label tubes "Fasting", "1/2 HR", "1 HR", "2 HR" and "3 HR".

Stability:

Ambient: 1 Day(s); Refrigerated: 3 Day(s); Frozen: 1 Month(s); 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:

2400 - GLUCOSE, FASTING	2403 - GLUCOSE, 3HR
2407 - GLUCOSE, 1/2HR	2401 - GLUCOSE, 1HR
2402 - GLUCOSE, 2HR