Impacted teeth

This code describes a tooth that has not fully erupted through the gum line or bone and remains embedded, often due to obstruction from another tooth, bone, or soft tissue. This condition can lead to pain, infection, damage to adjacent teeth, or cyst formation.

Use this code when documentation specifies an impacted tooth, regardless of whether it is symptomatic or asymptomatic. This includes cases where surgical extraction of the impacted tooth is planned or has been performed. Supporting documentation should clearly identify the presence of an impacted tooth.

• Do not confuse with unerupted teeth that are merely delayed in eruption without obstruction.
• Specify the affected tooth using an additional code from categories K00.0-K00.2 if the specific tooth is documented.
• Sequence this code as a primary diagnosis when the impacted tooth is the reason for the encounter, such as for evaluation or extraction.