521.31
Erosion, limited to enamel
The ICD-9 code for erosion, limited to enamel is 521.31.
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 521.31 →