LOINC Code 9349-2: pH total acid (Gast fld)

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 pH.total acid. It is commonly used with the system or sample type Gast fld.

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: Both

What it does not mean

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

Key facts

• pH total acid of Gastric fluid
• pH.total acid
• Acd; Acids; Chemistry; GAST; Gastric contents; Gastric fluid; Log molar concentration; pH Total Ac; Point in time; Random; SmQn; Tot; Totl

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