LOINC Code 46509-6: Regimen change in past 14 days - ICD code # 3 [OASIS]

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 Regimen change in past 14D - ICD code^^^3. 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
• Method: OASIS

What it does not mean

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

Key facts

• Regimen change in past 14 days - ICD code # 3 [OASIS]
• Regimen change in past 14D - ICD code^^^3
• Identifies the diagnosis(es) that have caused an addition or change to the patient's treatment, regimen, health care services received, or medication within the past 14 days. (Past 14 days encompasses the two-week period immediately preceding the start/resumption of care [or the date of the follow-up/discharge visit].)
• Exchange; Identity or presence; III; International Classification of Diseases; Last; Nominal; Outcome and assessment information set; Replace; Survey; Survey.OASIS

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