Oth diabetes mellitus with ketoacidosis with coma

This code signifies a form of diabetes mellitus, other than type 1 or type 2, that is complicated by the presence of ketoacidosis and a comatose state. This indicates a severe metabolic decompensation requiring immediate medical intervention.

This code is appropriate when documentation clearly specifies a diagnosis of "other specified diabetes mellitus" (e.g., secondary diabetes due to cystic fibrosis, pancreatectomy, or drug-induced) alongside acute ketoacidosis and the patient is in a coma. Supporting documentation must explicitly state the type of diabetes, the presence of ketoacidosis, and the comatose state.

• Ensure the documentation specifies "other specified diabetes mellitus" and not Type 1 or Type 2, as those have distinct codes for ketoacidosis with coma.
• Verify that both ketoacidosis and coma are explicitly documented as present and linked to the diabetic condition.
• Consider sequencing this code as the principal diagnosis if it is the primary reason for the admission, followed by codes for any underlying cause of the "other specified diabetes mellitus."