Or calculate the spread between 2 interest rates, a and b, by using the formula a - b. Use the assigned data series variables (a, b, c, etc.) together with operators (+, -, *, /, ^, etc.), parentheses {(,)}, and constants (1, 1.5, 2, etc.) to create your own formula (e.g., 1/a, a-b, (a+b)/2, (a/(a+b+c))*100).
The ICD code F411 is used to code Generalized anxiety disorder. Generalized anxiety disorder (GAD) is an anxiety disorder characterized by excessive, uncontrollable and often irrational worry, that is, apprehensive expectation about events or activities.
1 Generalized Anxiety Disorder (GAD) â Excessive, unrealistic worry that lasts six months or more. 2  Obsessive Compulsive Disorder (OCD) â Persistent, recurring thoughts or obsessions that reflect exaggerated anxiety or fears.  Panic Disorder (PD) â Severe attacks of panic for no apparent reason.