LOINC Code 62508-7: Deprecated PhenX measure - substance - 30 days frequency

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 PhenX measure - substance - 30D 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: DEPRECATED
• Method: PhenX

What it does not mean

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

Key facts

• Deprecated PhenX measure - substance - 30 days frequency
• PhenX measure - substance - 30D frequency
• Questions asking the respondent how many days in the past 30 days s/he used a drug. This measure can be used to assess the participant's recent consumption of a substance. The potential of recall bias can be reduced by assessing the respondent's recent use.
• Measure - subst 30D frequency; Pan; Panel; PANEL.PHENX; Panl; Pnl; Point in time; Random; Subs

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