The lexicon of the top500 ( The Encyclopedia for Classification Codes ) explains the codes and definitions in the world of economical classifications.
NAICS Code 6233 Community Care Facilities for the Elderly
The NAICS Code 6233 is described as
Community Care Facilities for the Elderly It belongs to the code group
NAICS Code 623 (Nursing and Residential Care Facilities)
To this Code "6233" belongs the sub codes
NAICS Code 62331: Community Care Facilities for the Elderly