2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Disorders Of Tooth Development And Eruption 520.* > 2006 ICD-9-CM Diagnosis 520.9 Unspecified disorder of tooth development and eruption View the most recent version of ICD-9-CM 520.9 520.9 is a specific code that can be used to specify a diagnosis 520.9 contains 5 index entries View the ICD-9-CM Volume 1 520.* hierarchy  Index entries containing 520.9: Anomaly, anomalous (congenital) (unspecified type) 759.9 teeth, tooth NEC 520.9 position 524.30 crowding 524.31 displacement 524.30 horizontal 524.33 vertical 524.34 distance interocclusal excessive 524.37 insufficient 524.36 excessive spacing 524.32 rotation 524.35 specified NEC 524.39 spacing 524.30 Deformity 738.9 teeth, tooth NEC 520.9 tooth, teeth NEC 520.9 Disorder - see also Disease tooth NEC 525.9 development NEC 520.9 specified type NEC 520.8 Malformation (congenital) - see also Anomaly teeth, tooth NEC 520.9