LOINC Code 46497-4: Start of care date during assessment period [CMS Assessment]

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 Start of care date. 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: CMS Assessment

What it does not mean

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

Key facts

• Start of care date during assessment period [CMS Assessment]
• Start of care date
• The date that care begins. When the first reimbursable service is delivered, this is the start of care.
• Centers for Medicare and Medicaid Assessment; QNT; Quan; Quant; Quantitative; Report period; Started; 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