The heart is divided into four main areas, or chambers â two upper chambers (called the left and right atrium) and two lower chambers (called the left and right ventricle). There are four valves that control the flow of blood through your heart.he heart is divided into four main areas, or chambers â two upper chambers (called the left and right atrium) and two lower chambers (called the left and right ventricle). There are four valves that control the flow of blood through your heart.
The newly approved Joint Commission on Accreditation of Healthcare Organizations (JCAHO) pain management standards present an important opportunity for widespread and sustainable improvement in pain assessment and management. Unrelieved pain is a major, yet avoidable, public health problem.
Pain, unspecified. 1  R52 is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2  Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.