no deprecation & no classification
no deprecation & no classification

1) Hierarchies become Standard
2) valid_end_dates for "resurrected" concepts were changed according to such (CPT4, HCPCS, ICD9Proc) in the generic update (see comments)
3) concept_relationship_manual was cleaned up a bit from erroneous hierarchical links. The manual concept ancestor was built successfully.
4) comments have been slightly rewritten.
OHDSI/Vocabulary-v5.0