3 Hour Glucose Tolerance test, OB Patient 1 Hour

General Information

Lab Name

GTT (3hr), OB 1 Hour

Lab Code

OBGTT1

Epic Name

GTT (3hr), OB 1 Hour

Description

This test should be ordered on OB patients only. The reference range applies to this patient group only.

Components

Code	Name
OBSTIM	OB GTT Stimulation Interval
OBGT31	GTT (3hr), OB 1 Hour

Specimen Type: Blood
Collection: All Locations:
Preferred: 2 mL blood in GRAY TOP tube
Also Acceptable: 4 mL blood in ORANGE RST, LIME GREEN PST, GOLD SST, RED TOP or GREEN TOP tube
Note: Deliver to lab immediately
Quantity: Requested: 1 mL plasma
Minimum: 0.3 mL plasma

Receiving Instructions: This test should be ordered on OB patients only.
Note: Plasma or serum collected in green, gold or red top tubes should be separated from the cells within 1 hr. and stored refrigerated. Glucose in such specimens is stable up to 16 hr. after collection. Glucose specimens collected in gray top tubes are stable up to 24 hr. without separation or refrigeration.

Lab Department

Chemistry, Automated Panels(CHA)

Frequency

Monday-Friday

Available STAT?

Yes

Performing Location(s)

HMC	Chemistry, Automated 206-520-4600 325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
UW-NW	Main Lab 206-668-1344 UW Medical Center – Northwest 1550 N 115th Street, A200 Seattle, WA 98133
FHCC	Fred Hutch Alliance Lab 206-606-1088 825 Eastlake Ave, Seattle, WA 98109
UW-MT	Chemistry, Automated 206-520-4600 Clinical Lab, Room NW220, University of Washington Medical Center, 1959 NE Pacific street, Seattle, WA 98195