code: public CodeableConceptDt addCoding(CodingDt theValue) {
  		if (theValue == null) {
  			throw new NullPointerException("theValue must not be null");
  		}
  		getCoding().add(theValue);
  		return this;
  	}
docs: Adds a given new value for <b>coding</b> ()
  
  <p>
  <b>Definition:</b>
  A reference to a code defined by a terminology system
  </p>
  @param theValue The coding to add (must not be <code>null</code>)