The calculator in question is the DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, 5th Edition) diagnostic criteria for somatic symptom disorder. This calculator is used in the field of psychiatry and psychology, specifically for diagnosing patients who present with somatic symptoms that are either very distressing or result in significant disruption of functioning. 

The DSM-5 diagnostic criteria for somatic symptom disorder is applicable to patients of all age groups who present with one or more somatic symptoms that are distressing or result in significant disruption of daily life. The clinical utility of this calculator is to aid in the diagnosis of somatic symptom disorder, which can help guide appropriate treatment and management strategies.

There are no specific exclusion criteria for the use of this calculator. However, it should be noted that the diagnosis should not be made if the somatic symptoms can be fully explained by another medical condition, or if the symptoms are intentionally produced or feigned (as in factitious disorder or malingering).

DSM-5 diagnostic criteria for somatic symptom disorder

# Criteria
 A. >= 1 somatic symptoms that are distressing or cause significant disruption of daily life
B. Symptoms have been present for >= 6 months, although any one somatic symptom may not be continuously present
C. Disproportionate and persistent thoughts about the seriousness of symptoms.
D. Persistently high level of anxiety about health or symptoms
E. Excessive time and energy devoted to the symptoms or health concerns

# Conditions
- A and B and ((C and D) or (C and E) or (D and E) or (C and D and E))
- A and ((C and D) or (C and E) or (D and E) or (C and D and E))
- A and B and (C or D or E)
- true