Other specified anomalies of jaw size

This code signifies a congenital or acquired deviation in the overall size of the mandible or maxilla that doesn't fit into more specific categories like prognathism or micrognathism. It encompasses conditions where the jaw is either abnormally large or small, but the precise nature of the anomaly is not further specified.

Use this code when documentation indicates an anomaly of jaw size, such as macrognathia or micrognathia, but the specific type (e.g., mandibular prognathism, maxillary retrognathism) is not clearly defined or is described as "other specified." This code is appropriate when the provider explicitly states an "anomaly of jaw size, unspecified" or "other specified anomaly of jaw size."

• Do not use this code if a more specific code for prognathism (M26.21-) or micrognathism (M26.22-) is documented.
• Always review the clinical notes for precise anatomical location (mandible vs. maxilla) and the specific nature of the size anomaly to select the most accurate code.
• Consider sequencing this code after any underlying genetic syndromes or congenital anomalies that may be contributing to the jaw size discrepancy.