Subcategory codes in the ICD-9-CM contain how many digits?

One of the best ways to reduce the intensity of persistent pain is to

a. Ignore it because it will ease eventually. b. Silently accept it because there is nothing that will change it. c. Acknowledge it and evaluate how the pain occurs. d. Sleep as much as possible to overcome it.

________ The scratch method of allergy testing is usually performed on the patient's legs or stomach

Indicate whether the statement is true or false