On the average, when you smoke, or on the last day you smoked every day, about how many cigarettes do, or did, you smoke [PhenX]

LOINC: 63858-5Type: 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