PhenX - oral glucose tolerance test protocol 141001 62856-0

LOINC Code

LOINC code

62856-0

name

PhenX - oral glucose tolerance test protocol 141001

description

Participants 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.

status

TRIAL

Fully-Specified Name

component

PhenX - oral glucose tolerance test protocol 141001

property

time

Pt = 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

method

PhenX

Additional Names

short name

Oral glucose tolerance test proto

Basic Attributes

class

PANEL.PHENX

type

2 Clinical

Panel Components

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

62787-7

PhenX domain - Diabetes

History/Usage

first released

last updated

2.67

last change type

PANEL - 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 reason

Updated 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 © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, 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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{component} LP432695-7

Clinical LP7787-7

Clinical terms not yet categorized LP248771-0