Lab

LOINC medical abbreviation

LOINC means "Logical Observation Identifiers Names and Codes".

Each meaning matched at least two public references (4 in all for LOINC), checked October 23, 2026. The table lists them.

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Meaning	Latin origin	Where used	Checked against
Logical Observation Identifiers Names and Codes	None	Lab orders, Charting	NCI Thesaurus, including CDISC SDTM terminology (NCI EVS) NLM SPECIALIST Lexicon abbreviations file (LRABR) FDA Acronyms and Abbreviations NLM Medical Subject Headings (MeSH) 2026, abbreviation and acronym entry terms

Sample lab interface field: "LOINC code."

A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.

What does LOINC mean in medical terms?

LOINC means "Logical Observation Identifiers Names and Codes".

Where is LOINC used?

LOINC shows up in lab orders and charting. Its category here is lab.

Is LOINC on the Joint Commission Do Not Use list?

No. LOINC is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.