524.21
Malocclusion, Angle's class I
The ICD-9 code for malocclusion, angle's class i is 524.21.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 524.21 →