LOINC Code 74802-0: Glucose challenge (hydrogen breath test) (Exhl gas) [Interp]

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Glucose challenge. It is commonly used with the system or sample type Exhl gas.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Observation

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• Glucose challenge (hydrogen breath test) [Interpretation] in Exhaled gas
• Glucose challenge
• The overall interpretation for a hydrogen breath test (HBT) post dose a glucose sugar challenge. An HBT is performed to diagnose a malabsorption or intolerance of glucose or abnormal growth of bacteria in the intestine.
• Breath; CHEMISTRY.CHALLENGE TESTING; ExG; Exhaled gas; Exhaled gas (=breath); Gases; Glu; Glu tol; Gluc; Glucose HBT; Glucose tolerance; Glucoseur; GTT; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Nominal; Point in time; Random

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions