M26.73 Alveolar maxillary hypoplasia

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 524.73 Alveolar maxillary hypoplasia

Code annotations containing back-references to M26.73

Back-references to M26

• Type 2 Excludes: K08 Other disorders of teeth and supporting structures ("dentofacial anomalies [including malocclusion] (M26.-)")
• Type 2 Excludes: M95 Other acquired deformities of musculoskeletal system and connective tissue ("dentofacial anomalies [including malocclusion] (M26.-)")
• Type 1 Excludes: Q18 Other congenital malformations of face and neck ("dentofacial anomalies [including malocclusion] (M26.-)")
• Type 1 Excludes: Q38 Other congenital malformations of tongue, mouth and pharynx ("dentofacial anomalies (M26.-)")
• Type 1 Excludes: Q67.4 Other congenital deformities of skull, face and jaw ("dentofacial anomalies [including malocclusion] (M26.-)")
• Type 1 Excludes: Q75 Other congenital malformations of skull and face bones ("dentofacial anomalies [including malocclusion] (M26.-)")

Diagnosis Index entries for M26.73

• Anomaly, anomalous (congenital) (unspecified type) › alveolar › hypoplasia › maxillary
• Hypoplasia, hypoplastic › jaw › upper › alveolar
• Hypoplasia, hypoplastic › maxillary › alveolar

Nearby codes

• M26.69 Other specified disorders of temporomandibular joint
• M26.7 Dental alveolar anomalies
• M26.70 Unspecified alveolar anomaly
• M26.71 Alveolar maxillary hyperplasia
• M26.72 Alveolar mandibular hyperplasia
• M26.73 Alveolar maxillary hypoplasia (this code)
• M26.74 Alveolar mandibular hypoplasia
• M26.79 Other specified alveolar anomalies
• M26.8 Other dentofacial anomalies
• M26.81 Anterior soft tissue impingement
• M26.82 Posterior soft tissue impingement