HTCC Sequence Number

HIERARCHICAL SPECIFIC THERAPEUTIC CLASS CODE SEQUENCE NUMBER IS A PERMANENT NUMERIC IDENTIFIER THAT REPRESENTS THE SPECIFIC THERAPEUTICCLASSIFICATION OF A GIVEN ACTIVE INGREDIENT (HIC_SEQN) THAT WILL ALWAYS REFER TO THE SAME NUMBER. FOR EXAMPLE HIC3_SEQN 000160 ALWAYS WILL REFER TO EXPECTORANTS.NOTE: IN MAX 2007, THIS VARIABLE WAS ADDED TO THE FILE.