2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Musculoskeletal System And Connective Tissue 710-739 > Dorsopathies 720-724 > ICD-9-CM Diagnosis 720 Ankylosing spondylitis and other inflammatory spondylopathies 720 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 720.0 Ankylosing spondylitis The form of rheumatoid arthritis affecting the spine. It occurs predominantly in young males and produces pain and stiffness as a result of inflammation of the sacroiliac, intervertebral, and costovertebral joints. Etiology is unknown. 720.0 is a specific code that can be used to specify a diagnosis 720.0 contains 32 index entries ICD-9-CM Diagnosis 720.1 Spinal enthesopathy 720.1 is a specific code that can be used to specify a diagnosis 720.1 contains 7 index entries ICD-9-CM Diagnosis 720.2 Sacroiliitis not elsewhere classified 720.2 is a specific code that can be used to specify a diagnosis 720.2 contains 3 index entries ICD-9-CM Diagnosis 720.8 Other inflammatory spondylopathies 720.8 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 720.81 Inflammatory spondylopathies in diseases classified elsewhere 720.81 is a specific code that can be used to specify a diagnosis 720.81 contains 9 index entries ICD-9-CM Diagnosis 720.89 Other inflammatory spondylopathies 720.89 is a specific code that can be used to specify a diagnosis 720.89 contains 1 index entry ICD-9-CM Diagnosis 720.9 Unspecified inflammatory spondylopathy Inflammation of the vertebrae. This includes both arthritic and non-arthritic conditions. 720.9 is a specific code that can be used to specify a diagnosis 720.9 contains 17 index entries