00636

Preferred Coding System

2003-08-22
Definition: This field contains the observations whose categorical responses are taken from a specified table of codes (e.g., CE data types). Record the preferred coding system for this observation (e.g., ICD9, SNOMED III). Take the codes from ASTM Table 3 or 5, or specify a local code.
Length≤250
9999no table for CE
6 components
1O-Identifier
2O-Text
3OName of Coding System
4O-Alternate Identifier
5O-Alternate Text
6OName of Alternate Coding System