Chronic pain, not elsewhere classified

**Excludes1:** - causalgia, lower limb (G57.7-) - causalgia, upper limb (G56.4-) - central pain syndrome (G89.0) - chronic pain syndrome (G89.4) - complex regional pain syndrome II, lower limb (G57.7-) - complex regional pain syndrome II, upper limb (G56.4-) - neoplasm related chronic pain (G89.3) - reflex sympathetic dystrophy (G90.5-)