Guide to Chronic Pain Assessment Tools Many busy clinicians struggle with finding the time to conduct a thorough assessment of the pain patient, especially the patient with chronic pain. This is the case even though pain is among the most common reasons patients seek medical care. This article reviews how to properly assess a patient Assessment Tools and Resources - Managing Chronic Pain in Appendix B Assessment Tools and Resources. Exhibit B-1 Tools To Assess Pain Level. Tool Resource; Faces Pain Scale Exhibit B-3 Tools To Assess Pain Interference and Functional Capacities. Tool Resource; Katz Basic Activities of Daily Living Scale Turn recording back on. See more.. Support Center Support Center. External link.