M26.31 Crowding of fully erupted teethBillable ICD-10-CM code, FY2026.
Defines the logic of DRG(s) 011-013 in MDC PRE.
524.31 Crowding of teethK01 Embedded and impacted teeth ("abnormal position of fully erupted teeth (M26.3-)")K08 Other disorders of teeth and supporting structures ("dentofacial anomalies [including malocclusion] (M26.-)")M95 Other acquired deformities of musculoskeletal system and connective tissue ("dentofacial anomalies [including malocclusion] (M26.-)")Q18 Other congenital malformations of face and neck ("dentofacial anomalies [including malocclusion] (M26.-)")Q38 Other congenital malformations of tongue, mouth and pharynx ("dentofacial anomalies (M26.-)")Q67.4 Other congenital deformities of skull, face and jaw ("dentofacial anomalies [including malocclusion] (M26.-)")Q75 Other congenital malformations of skull and face bones ("dentofacial anomalies [including malocclusion] (M26.-)")M26.24 Reverse articulationM26.25 Anomalies of interarch distanceM26.29 Other anomalies of dental arch relationshipM26.3 Anomalies of tooth position of fully erupted tooth or teethM26.30 Unspecified anomaly of tooth position of fully erupted tooth or teethM26.31 Crowding of fully erupted teeth (this code)M26.32 Excessive spacing of fully erupted teethM26.33 Horizontal displacement of fully erupted tooth or teethM26.34 Vertical displacement of fully erupted tooth or teethM26.35 Rotation of fully erupted tooth or teethM26.36 Insufficient interocclusal distance of fully erupted teeth (ridge)