API:  http://id.who.int/icd/release/10/2008/F45.4
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/F45.4",
    "parent": [
        "http://id.who.int/icd/release/10/2008/F45"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/F45.4",
    "code": "F45.4",
    "title": {
        "@language": "en",
        "@value": "Persistent somatoform pain disorder"
    },
    "definition": {
        "@language": "en",
        "@value": "The predominant complaint is of persistent, severe, and distressing pain, which cannot be explained fully by a physiological process or a physical disorder, and which occurs in association with emotional conflict or psychosocial problems that are sufficient to allow the conclusion that they are the main causative influences. The result is usually a marked increase in support and attention, either personal or medical. Pain presumed to be of psychogenic origin occurring during the course of depressive disorders or schizophrenia should not be included here."
    },
    "inclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "Psychalgia"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "Psychogenic: backache"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "Psychogenic: headache"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "Somatoform pain disorder"
            }
        }
    ],
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "backache NOS"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "pain: NOS"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "pain: acute"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "pain: chronic"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "pain: intractable"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "tension headache"
            }
        }
    ],
    "classKind": "category"
}
Title: Persistent somatoform pain disorder
Code:  F45.4