LOINC Code 48585-4: NM Exhaled gas Gastric emptying time post 100 mg sodium acetate PO

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 Gastric emptying time^post 100 mg sodium acetate PO. 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
• Method: NM

What it does not mean

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

Key facts

• NM Exhaled gas Gastric emptying time post 100 mg sodium acetate PO
• Gastric emptying time^post 100 mg sodium acetate PO
• 13C-sodium acetate taken orally pases through the stomach. In the small intestine it is metabolized quickly to 13CO2 which is excreted in exhaled air. The rate of excretion is used to calculate the gastric emptying rate.
• Acetic acid; After; Breath; Empty; Ethanoate; Ethanoic acid; ExG; Exhaled gas; Exhaled gas (=breath); Gases; GE; GE time; Imaging; Na; Na+; p 100mg Na acetate PO; Point in time; PST; QNT; Quan; Quant; Quantitative; Rad; RADIOLOGY; 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