2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Special Symptoms Or Syndromes Not Elsewhere Classified 307.* > 2006 ICD-9-CM Diagnosis 307.53 Rumination disorder View the most recent version of ICD-9-CM 307.53 307.53 is a specific code that can be used to specify a diagnosis 307.53 contains 4 index entries View the ICD-9-CM Volume 1 307.* hierarchy Alternate Terminology Regurgitation, of nonorganic origin, of food with reswallowing 307.53 Excludes obsessional rumination (300.3)  Index entries containing 307.53: Disorder - see also Disease rumination 307.53 Merycism - see also Vomiting psychogenic 307.53 Rumination - see also Vomiting disorder 307.53 psychogenic 307.53