How to write the registration number of medical institutions

Now the registration number on the license of medical institutions, according to the latest requirements for the preparation of: PDY beginning of the new registration number, is not the whole country like this or just Yunnan so, the approximate format: PDY XXXXX (serial number) -X (check code) 530324 (area code) XX (nature code) XXXXX (institutional category code), the total **** for the 22-bit registration number.