Diagnostic Criteria for Chronic Pain Syndrome

Core Diagnostic Components

The American Society of Anesthesiologists defines Chronic Pain Syndrome as pain of any etiology not directly related to neoplastic involvement, associated with a chronic medical condition or extending in duration beyond the expected temporal boundary of tissue injury and normal healing, and adversely affecting the function or well-being of the individual 1, 2, 3
Pain extending beyond the expected temporal boundary of tissue healing is a key component of Chronic Pain Syndrome 1, 2, 3
Adverse effects on physical functioning, psychosocial well-being, and quality of life are associated with Chronic Pain Syndrome 1, 2
Impaired ability to perform activities of daily living is a common consequence of Chronic Pain Syndrome 2, 4

A complete medical and surgical history is essential for the diagnosis of Chronic Pain Syndrome 4
Social history, including substance use patterns, should be reviewed as part of the diagnostic process 4
Family history of pain conditions can be a relevant factor in the diagnosis of Chronic Pain Syndrome 5, 6
A review of systems is necessary to identify any underlying conditions that may be contributing to the pain 4
The American Society of Anesthesiologists recommends a thorough physical examination, including a neurological examination and musculoskeletal evaluation, as part of the diagnostic process for Chronic Pain Syndrome 4

Diagnostic testing should only be performed if indicated by specific clinical findings, according to the American Society of Anesthesiologists 2, 3
Imaging studies should only be ordered when severe or progressive neurologic deficits are present, as recommended by the MMWR Recommendations and Reports 7
Pain specialty consultation may be necessary for complex pain syndromes, according to the MMWR Recommendations and Reports 7
The MMWR Recommendations and Reports suggest categorizing pain as neuropathic, nociceptive, or mixed, to guide treatment decisions 7

Lack of a diagnosis can significantly impact sufferers' daily lives, according to the British Journal of Anaesthesia 5, 6
Overreliance on diagnostic testing without appropriate clinical correlation may lead to unnecessary procedures, as warned by the American Society of Anesthesiologists 2, 3