Concept ID 45888760
Medication therapy management service(s) provided by a pharmacist, individual, face-to-face with patient, with assessment and intervention if provided
= CPT4 Hierarchy Concept Concept Code 1018516.
As CPT4 codes are all character strings of five numerals or four numerals and an alphabetic, from where do seven-digit “CPT4 Hierarchy” codes come? Are they created by OHDSI, enumerating sections and subsections of the vocabulary? Or are they just an aspect of CPT with which I am unfamiliar?