What is your best estimate of the number of days you smoked part or all of a cigarette during the past 30 days [PhenX]

LOINC: 63613-4Type: OtherCPT: N/A

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A diagnostic test used to support clinical decision-making.

Sources
  1. [1]LOINC — Logical Observation Identifiers Names and Codes. Regenstrief Institute