Table 3: Medically inexplicable pain conditions. List of classification terms and references among 77 articles reviewed.

ClassificationReference

Pain without organic, observable, and objective symptomsBernardes et al. [6]
Pain without obvious causeBernardes et al. [6]
Medically unexplained symptomsBarsky et al. [8]
Diagnoses of nonspecific symptoms and signsHamberg et al. [22]
Nonspecific symptom diagnosesHamberg et al. [22]
Chronic pain with unclear causeJarrett [53]
Disorders in the absence of organic lesionsKatz et al. [69]
Conditions, typically chronic, where no pathology can be identified in biomedical terms on diagnostic investigationGrace [70]
Somatically experienced health problems that have no corresponding pathologyGrace [70]
Pain without objectively verifiable evidence of a somatic diseaseGrace [70]
Pain without organic pathologyGrace [70]
A cluster of common and troubling symptoms (e.g., pain, fatigue, and mood irregularities) that are not attributable to any organic abnormalityBarker [71]
Disorders with a lack of conventional biomedical evidenceBarker [71]
Medically unexplained disordersWerner et al. [75]
Pain in the absence of “objective” diagnostic evidence of pathologyBernardes and Lima [77]
Chronic pain without organic causePujal and Mora [80]
Chronic nonmalignant painSkuladottir and Halldorsdottir [81]
“Medically unexplained symptoms”Tait et al. [82]
Pain in the absence of diagnostic evidence of pathologyBernardes et al. [84]