LOINC Code 54671-3: Trouble concentrating on things, such as reading the newspaper or watching television in last 2 weeks.frequency [Observed PHQ-9 CMS]

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 Trouble concentrating on things, such as reading the newspaper or watching television in last 2W.frequency. It is commonly used with the system or sample type ^Patient.

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: Observed.PHQ-9.CMS

What it does not mean

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

Key facts

• Trouble concentrating on things, such as reading the newspaper or watching television in last 2 weeks.frequency [Observed PHQ-9 CMS]
• Trouble concentrating on things, such as reading the newspaper or watching television in last 2W.frequency
• 14 days; 2 weeks; Arterial Stenosis; Finding; Findings; Mental health; MentalHealth; Ordinal; Past; Patient Health Questionnaire; PHQ9; Psych; Psychiatry; Ql; Qual; Qualitative; Screen; Survey

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