PhenX - oral glucose tolerance test protocol 141001   62856-0

LOINC Code


LOINC code62856-0
namePhenX - oral glucose tolerance test protocol 141001
descriptionParticipants are asked to fast for at least 9 hours (generally overnight) prior to the Oral Glucose Tolerance test. Participants are asked a series of exclusionary questions and then have an initial blood draw to determine Fasting Plasma Glucose levels. Participants are next asked to drink a calibrated dose (generally 75 grams / 10 ounces) of a dextrose solution (e.g., Trutol®) and have a second venipuncture 2 hours (plus or minus 15 minutes) after the first venipuncture. The plasma is separated from the blood via centrifugation and glucose concentration is determined via the hexokinase method. The Oral Glucose Tolerance Test includes a Fasting Plasma Glucose assay as the first step. Therefore performing the Oral Glucose Tolerance Test and the Fasting Plasma Glucose Assay for Diabetes Screening together will result collecting in the Fasting Plasma Glucose Assay twice. The Diabetes Working Group notes that an alternative to the single two-hour post load value is to establish a catheter and obtain samples for Serum Glucose concentrations at 0, 30, 60, 90 and 120 minutes. There are also protocols for more rapid sampling of Serum Glucose concentrations. In addition, the Diabetes Working Group notes that there are also protocols to collect samples for Serum Insulin concentrations at 0, 30, 60, 90 and 120 minutes and that this could be done at the same time as the Oral Glucose Tolerance Test. Such protocols would give extra specificity and information but would increase the burden on both the participant and investigator.
statusTRIAL

Fully-Specified Name

componentPhenX - oral glucose tolerance test protocol 141001
property-
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
system^Patient
scale-
methodPhenX

Additional Names

short nameOral glucose tolerance test proto

Basic Attributes

classPANEL.PHENX
type2  Clinical

Panel Components

66164-5Did you eat or drink anything other than plain water after 11:30 last night [PhenX]
66165-2Last ate or drank anything other than plain water [Date and time]
66166-0Have you had coffee or tea with cream and sugar since eating or drinking anything but plain water [PhenX]
66167-8When did you have coffee or tea with cream and sugar [Date and time] [PhenX]
66168-6Have you had alcohol, such as beer, wine, or liquor since eating or drinking anything but plain water [PhenX]
66169-4When did you have alcohol, such as beer, wine, or liquor [Date and time] [PhenX]
66170-2Have you had gum, breath mints, lozenges, or cough drops, or other cough or cold remedies since eating or drinking anything but plain water [PhenX]
66171-0When did you have gum, breath mints, lozenges, or cough drops, or other cough or cold remedies [Date and time] [PhenX]
66172-8Have you had antacids, laxatives, or anti-diarrheals since eating or drinking anything but plain water [PhenX]
66173-6When did you have antacids, laxatives, or anti-diarrheals [Date and time] [PhenX]
66182-7Have you had dietary supplements such as vitamins and minerals since eating or drinking anything but plain water [PhenX]
66183-5When did you have dietary supplements such as vitamins and minerals [Date and time] [PhenX]
66174-4Are you currently pregnant [PhenX]
66175-1Are you now taking insulin [PhenX]
66176-9Are you now taking diabetic pills to lower your blood sugar [PhenX]
66177-7History of Hemophilia
66178-5Cancer chemotherapy received in the past 4W or will be received in the next 4W
66504-2Exclusion criteria present [PhenX]
8251-1Service comment
8251-1Service comment
29463-7Body weight
66203-1Amount of dextrose solution administered [#] [PhenX]
66204-9Amount of dextrose solution the participant drank [PhenX]
66205-6Was all of the solution was consumed in 10 minutes [PhenX]
66206-4Time between consuming dextrose solution and administering the second blood draw [PhenX]
66208-0Make of the equipment used [Identifier] [PhenX]
74719-6Manufacturer name
66240-3Blood draw [PhenX]

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

Member of these Panels

62787-7PhenX domain - Diabetes

History/Usage

first released
last updated2.67
last change typePANEL  - addition or removal of child elements or change in the conditionality of child elements in the panel or in sub-panels contained by the panel.
change reasonUpdated the PhenX ID from "PhenX." to "PX" in Survey Question Source field to align with the variable identifier used in the PhenX Toolkit.; Added the PhenX protocol ID to the Component to clearly define the protocol version for which this panel is based upon.

Related Names

Glu
Glu tol
Gluc
Glucoseur
GTT
Pan
Panel
PANEL.PHENX
Panl
Pnl
Point in time
Random

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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