Home in on these conditions that might be considered 'chronic' ICD-9 includes diagnoses for many conditions that might evolve into "chronic" problems. Watch for these conditions that might move from "acute" to "chronic" over time:
• Post-herpatic neuralgia -- 053.1x
• Diabetes -- 250.0x
• Diabetes with neurological manifestations -- 250.6x
• Anxiety disorders -- 300.0x
• Sleep disorders -- 307.4x
• Central pain syndrome -- 338.0
• Peripheral nervous system disorders -- 350-359
• Lupus -- 710.0
• Late effects of injuries -- 905-909.