Nerve entrapment syndromes represent a group of conditions in which peripheral nerves become compressed or constricted by surrounding tissues. In the context of chronic abdominal pain, these syndromes ... The number of diagnosis codes has expanded from 13,000 ICD-9 codes to 68,000 ICD-10 codes, with 78 percent of ICD-9 diagnosis codes mapping 1-to-1 with an ICD-10 code, either exactly or approximately.

Understanding the Context